{"title":"Solarspeicher","description":"","products":[{"product_id":"sunex-warmwasserspeicher-fish-s16","title":"Sunex Fish S16 Heat Pump Storage Tank – 500 Liters","description":"\u003ch2\u003eHot water storage tank with 2 heat exchangers\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eSunex Fish S16 heat pump storage tank\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe storage has \u003cstrong\u003etwo large-area heat exchangers\u003c\/strong\u003e,  The upper heat exchanger is for the heat pump and the lower one is for, for example, solar collectors or a boiler.\u003c\/p\u003e  \u003cp\u003eThe inner surface of the storage tank is protected by a high-quality enamel coating and a magnesium anode.\u003cbr\u003eProtected against corrosion.\u003c\/p\u003e  \u003cp\u003eCompliance with DIN 4753 ensures that process water only comes into contact with a hygienically clean surface.\u003c\/p\u003e  \u003cdiv class=\"headingTop\"\u003e  \u003ch3 class=\"headingTop\"\u003eSunex hot water storage tank\u003c\/h3\u003e  \u003cdiv class=\"text\"\u003eA vertical domestic hot water storage tank used for hot water preparation. The tank features two large-surface heat exchangers. The upper heat exchanger can be used in conjunction with a heat pump, while the lower one is suitable for a solar thermal system or a boiler. To ensure protection against corrosion, the contact surfaces of the hot water storage tank are coated with a high-quality enamel and equipped with a magnesium anode. In this way, the tank meets the requirements of DIN 4753 and ensures that the domestic hot water comes into contact only with a hygienically clean surface.\u003c\/div\u003e  \u003cdiv class=\"text\"\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003ch3\u003eThe hot water storage tanks from SUNEX offer various advantages, including:\u003c\/h3\u003e  \u003col\u003e  \u003cli\u003e  \u003cb\u003eEnergy efficiency\u003c\/b\u003e:  The ability to use the storage tank with different heat exchangers in conjunction with different heat sources allows the storage tank to be used efficiently and thus saves energy.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eEnvironmental friendliness\u003c\/b\u003e:  By using renewable energy sources such as heat pumps or solar thermal systems, the domestic hot water storage tank can help reduce CO2 emissions and thus protect the environment.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eCompact design\u003c\/b\u003e: The S16 Due to its compact design, it saves space and can be easily installed in small rooms.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eHygienically clean process water\u003c\/b\u003e:  The use of high-quality materials and compliance with DIN 4753 standards ensures that the process water only comes into contact with a hygienically clean surface.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eCost savings\u003c\/b\u003e: Through the efficient use of energy sources and protection against corrosion, the domestic hot water storage tank can lead to long-term cost savings, as less maintenance and repairs are required and energy consumption is reduced.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003elongevity\u003c\/b\u003e: The high-quality enamel coating and the magnesium anode offer a high level of protection against corrosion, which extends the lifespan of the storage tank.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003ecomfort\u003c\/b\u003e: The storage tank always provides a sufficient amount of hot water, which increases comfort in the household and ensures that there are no shortages in the hot water supply.\u003c\/li\u003e  \u003cli\u003eThe described storage unit offers numerous advantages such as energy efficiency, durability, hygiene, flexibility, environmental friendliness, comfort, and cost savings. This is due to its high-quality coating and the possibility of using it with various heat sources and heat exchangers. It meets the requirements of DIN 4753 and can therefore contribute to a sustainable and reliable hot water supply.\u003c\/li\u003e  \u003c\/ol\u003e  \u003c\/div\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S16_X_Aufbau_3000_3000_480x480.webp?v=1755676890\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality \u003c\/strong\u003eEnamel layer and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cstrong\u003e95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening:\u003cstrong\u003e ø 122 mm\/ ø 179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":47128696521052,"sku":"SFI16500","price":1700.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-warmepumpenspeicher-sunex-fish-s16-7735019.webp?v=1770693159"},{"product_id":"brauchwasserspeicher-sunex-fish-s1-500-x-500-liter","title":"Sunex Fish S1 X Domestic Hot Water Storage Tank – 500 Liter","description":"\u003ch2\u003eFish S1 X domestic hot water storage tank\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVertical hot water storage tank for domestic hot water preparation.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe hot water contact surface with the storage tank is protected against corrosion by a layer of high-quality enamel and magnesium anode*.\u003cbr\u003eThis ensures, in accordance with DIN 4753, that the process water only comes into contact with a hygienically clean surface.\u003cbr\u003e\u003cbr\u003eDomestic hot water is heated by a smooth-tube water heat exchanger, which allows the connection of an external heat source such as... z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003ch3\u003eThermal insulation \u0026amp; Fish S1 X domestic hot water storage tank\u003c\/h3\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch3\u003eStandard equipment of the hot water storage tank\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eInspection opening, thermometer, socket for electric heating element, magnesium anode*,\u003c\/li\u003e  \u003cli\u003einternal heat exchanger.\u0026amp;nbsp;\u003c\/li\u003e  \u003cli\u003e*Optionally, a titanium anode can be used.\u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S1_X_Aufbau_3000_3000_480x480.webp?v=1755672941\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality\u003c\/strong\u003e Enamel coating and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature:\u003cstrong\u003e 95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInspection opening: \u003cstrong\u003eø122 mm\/ ø179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":49064388985180,"sku":"SS1500","price":1029.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Fish_S_1_X_3.png?v=1782451498"},{"product_id":"brauchwasserspeicher-sunex-s2-x","title":"Sunex Fish S2 X Domestic Hot Water Storage Tank – 500 Liters","description":"\u003ch2\u003eSunex S2 X hot water storage tank\u003c\/h2\u003e  \u003cp\u003eSUNEX hot water storage tanks impress with \u003cstrong\u003eminimal heat loss\u003c\/strong\u003en. \u003cstrong\u003eThe enamelled inner coating\u003c\/strong\u003e Together with the magnesium anode, it always provides clean and fresh water.\u003c\/p\u003e  \u003cp\u003eDomestic hot water is heated by \u003cstrong\u003etwo \u003c\/strong\u003eindependently operating smooth tube\u003cstrong\u003eWater heat exchanger\u003c\/strong\u003e,  which allows the connection of an external heat source such as z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003cp\u003eA large inspection opening allows for easy cleaning.\u003c\/p\u003e  \u003cp\u003eThe storage system offers easy operation, flexible installation and\u003cstrong\u003e low maintenance costs.\u003c\/strong\u003e In summary, it is therefore a recommended choice for anyone who values ​​a constant supply of hot water and \u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e regard.\u003c\/p\u003e  \u003cp\u003eThe Sunex hot water storage tank is designed according to DIN 4753 standard and therefore ensures hygienically perfect water.\u003c\/p\u003e  \u003ch4\u003eThermal insulation\u003c\/h4\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch4\u003eequipment\u003c\/h4\u003e  \u003cp\u003eInspection opening, thermometer, socket for electric heating element, 2 magnesium anodes\u003cstrong\u003e*\u003c\/strong\u003e,  2 x internal heat exchangers.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e*\u003c\/strong\u003eA titanium anode can be used optionally.\u003c\/em\u003e\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_S2X_Aufbau_3000_3000_480x480.webp?v=1755605816\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cdiv\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cb\u003eS235JR\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eStorage capacity: \u003cstrong\u003e150 - 500 liters\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eProtection: \u003cb\u003ehigh-quality\u003c\/b\u003e Enamel layer and sacrificial anode\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cb\u003e10 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cb\u003e15 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cb\u003e95°C\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cb\u003e50 mm\u003c\/b\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eOuter shell: \u003cb\u003egrey\u003c\/b\u003e Color\u003c\/li\u003e  \u003cli\u003eHeat exchanger: steel tube \u003cb\u003eP235GH\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening: \u003cb\u003eØ 122 mm\/Ø 179 mm\u003c\/b\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":49326338048348,"sku":"SS2500","price":1125.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-sunex-fish-s2-x-2753439.webp?v=1770692663"},{"product_id":"hygienespeicher-gema-fks-200-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 200 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":55327418024284,"sku":"FKS200+EEKC","price":1242.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":55327418057052,"sku":"FKS200+EEKB","price":1578.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"schichten-pufferspeicher-mit-1-warmetauscher","title":"Layer Buffer Tank with 1 Heat Exchanger – 600 Liters","description":"\u003ch2\u003eSPSR stratified buffer storage tank – Efficient storage solution for heating, solar and solid fuel systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe SPSR stratified buffer storage tank is a robustly constructed hot water storage tank for heating systems, solar thermal systems, and combined heat and power plants. It combines a stable tank design with integrated stratification technology and a permanently welded smooth-tube heat exchanger, thus ensuring high system efficiency and reliable stratification of the return flows.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/SPSR_480_1384_3000_480x480.webp?v=1756291781\" alt=\"\" style=\"margin-right: 16px; margin-bottom: 16px; float: left;\"\u003e\u003c\/div\u003e  \u003cp\u003eThe tank and smooth-tube heat exchanger are made of high-quality S235JRG2 steel according to DIN 4753 and EN 12897. The interior is left untreated, while the outer shell is primed; the tank rests securely on a base ring. The tank is designed for a maximum operating pressure of 5 bar and features two ports for electric heating elements.\u003c\/p\u003e  \u003ch3\u003eLayer technology and heat exchangers\u003c\/h3\u003e  \u003cp\u003eFor optimized stratification, stratification channels are integrated into the storage tank, and a stratification plate is welded in. These components reduce mixing and improve temperature stratification, thereby increasing the usable heat output. The permanently welded-in smooth-tube heat exchanger ensures efficient heat exchange for solar and heating circuits.\u003c\/p\u003e  \u003ch3\u003eConnections and ease of assembly\u003c\/h3\u003e  \u003cp\u003eThe 90° angled socket arrangement simplifies the assembly and connection of multiple buffer tanks. This enables compact system layouts and easy system couplings. The arrangement of the connections and the base ring further simplify installation and subsequent maintenance.\u003c\/p\u003e  \u003ch3\u003eInsulation options – EPS AirPor® grey\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® grey polystyrene foam insulation is available in 100 mm (efficiency class C) and 130 mm (efficiency class B) thicknesses. The insulation combines EPS with an additional fleece layer and an admixture of graphite nanoparticles, which significantly reduce heat loss through increased heat reflection.\u003c\/p\u003e  \u003cp\u003eThanks to its lightweight, precisely fitting design, the insulation is quick to install, mechanically robust, and 100% recyclable. The overall insulation thickness, along with additional bottom and top insulation, ensures significant energy savings during operation.\u003c\/p\u003e  \u003ch3\u003eInsulation option – PU super-rigid foam\u003c\/h3\u003e  \u003cp\u003eThe 150 mm thick PU super rigid foam insulation (for 600–1000 l storage tanks) combines excellent insulation performance with a PS jacket in RAL 9006 and a clamping strip for easy installation. A 10 mm polyester fiber fleece prevents convection losses at the tank walls, lid, and joints.\u003c\/p\u003e  \u003cp\u003eWith a thermal conductivity of approximately 0.023 W\/mK and efficiency class A, this insulation offers the best insulation performance in the range and is also recyclable and skin-friendly.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications and equipment\u003c\/h3\u003e  \u003cp\u003eThe SPSR is equipped with stratification channels, a stratification plate, and a permanently installed smooth-tube heat exchanger. Further features include a raw interior, primed exterior, two sockets for electric heating elements, and design for an operating pressure of up to 5 bar.\u003c\/p\u003e  \u003ch3\u003eAdvantages and areas of application\u003c\/h3\u003e  \u003cp\u003eThe combination of targeted layering technology, high-quality steel construction, and effective insulation increases the efficiency of heating systems and reduces heat loss. Applications include heating systems, solid fuel boilers, solar thermal systems, combined heat and power plants, and combined energy systems that rely on reliable temperature stratification.\u003c\/p\u003e  \u003ch3\u003eEnvironment, safety and standards\u003c\/h3\u003e  \u003cp\u003eThe materials used are environmentally friendly and largely recyclable.The insulation materials meet common fire protection requirements (DIN 4102 B2) and thermal conductivity requirements according to DIN EN 12667, meaning that the storage unit meets high safety and environmental standards.\u003c\/p\u003e  \u003ch3\u003eSelection, assembly instructions and service\u003c\/h3\u003e  \u003cp\u003eChoose the appropriate storage capacity and insulation option according to your system requirements; the standardized socket arrangement facilitates integration. For optimal performance, professional installation by trained personnel and consideration of the connection configurations during system planning are recommended.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eStratified storage tank with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":55335188267356,"sku":"SPSR600+SISOC","price":1155.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":55335188300124,"sku":"SPSR600+SISOB","price":1338.0,"currency_code":"EUR","in_stock":true},{"title":"150mm","offer_id":55335188332892,"sku":"SPSR600+SISOA","price":1507.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/schichten-pufferspeicher-mit-2-warmetauscher-5468097.webp?v=1770692066"},{"product_id":"schichten-pufferspeicher-mit-2-warmetauscher","title":"Layers - buffer storage with 2 heat exchangers","description":"\u003ch2\u003eLayered buffer storage PLCRR\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe SPSRR stratified buffer storage tank is a versatile hot water storage tank for heating, solid fuel and solar thermal systems, as well as combined heat and power plants. It was developed to ensure optimized stratification of temperature zones and efficient heat exchange.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/SPSRR_480_1450_3000_480x480.webp?v=1756360880\" style=\"margin-bottom: 16px; margin-left: 16px; float: right;\"\u003e\u003c\/div\u003e  \u003cp\u003eThe tank and integrated smooth-tube heat exchangers are made of high-quality S235JRG2 steel and comply with DIN 4753 and EN 12897. The heat exchangers are securely welded into the storage tank, ensuring stability and durability.\u003c\/p\u003e  \u003cp\u003eThe storage tank sits on a base ring; the interior of the tank is unfinished, while the exterior is primed black. The maximum operating pressure of the tank is 5 bar; it also features two sockets for electric heating elements.\u003c\/p\u003e  \u003ch3\u003eLayer technology and heat exchangers\u003c\/h3\u003e  \u003cp\u003eFor improved stratification, stratification channels and an integrated stratification plate are incorporated into the storage tank. These measures ensure that return flow rates from the heating circuits are directed precisely and temperature zones are clearly separated.\u003c\/p\u003e  \u003cp\u003eIntegrated smooth tube heat exchangers at the top and bottom allow for the simultaneous and efficient use of solar thermal energy and heating systems, thereby increasing system flexibility.\u003c\/p\u003e  \u003ch3\u003eConnections and assembly\u003c\/h3\u003e  \u003cp\u003eThe 90° angled socket arrangement facilitates assembly and simplifies the electrical and hydraulic connection of multiple buffer tanks. This significantly simplifies installation in complex systems.\u003c\/p\u003e  \u003cp\u003eEasy installation is further supported by the robust construction and the provided connections for electric heating elements, making retrofitting straightforward.\u003c\/p\u003e  \u003ch3\u003eOverview of insulation options\u003c\/h3\u003e  \u003cp\u003eThe storage tank is available in various insulation options: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for tank sizes from 600 to 1000 liters. Each version comes with a matching plastic casing and sealing strip.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines polystyrene foam with graphite nanoparticles, thereby increasing heat reflection and reducing heat loss. Typical features include up to 30% less heat loss compared to conventional insulation and a thermal conductivity of 0.0316 W\/mK according to DIN EN 12667.\u003c\/p\u003e  \u003cp\u003eThe insulation is lightweight, stable, 100% recyclable, and quick to install. Efficiency class B is achieved with 130 mm insulation thickness (110 mm EPS + 20 mm fleece) and 150 mm lid insulation; efficiency class C corresponds to 100 mm insulation thickness (80 mm EPS + 20 mm fleece) and 100 mm lid insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe PU super rigid foam insulation offers excellent insulating properties with a thermal conductivity of 0.023 W\/mK according to DIN EN 12667. The design comprises 150 mm PU plus 10 mm PV fleece lamination and a silver-grey PS jacket (RAL 9006) with a clamping strip.\u003c\/p\u003e  \u003cp\u003eThe insulation is removable, making it particularly easy to install in all temperature conditions. The fleece lamination reduces convection losses at the container walls, lid, and fittings; the solution is environmentally friendly, skin-friendly, and recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages \u0026amp; Areas of application\u003c\/h3\u003e  \u003cp\u003eThe SPSRR combines robust construction, efficient layer technology, and flexible insulation options to reduce operating costs and increase system efficiency. Its permanently welded heat exchangers and optimized connections make it an attractive choice for both new construction and retrofitting.\u003c\/p\u003e  \u003cp\u003eTypical applications include heating systems, solid fuel systems, solar thermal systems and combined heat and power plants, where clear temperature stratification, low heat losses and durable construction are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eStratified storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"600 liters \/ 100mm","offer_id":55343623045468,"sku":"SPSRR600+SISOC","price":1425.0,"currency_code":"EUR","in_stock":true},{"title":"800 liters \/ 100mm","offer_id":55343623143772,"sku":"SPSRR800+SISOC","price":1469.0,"currency_code":"EUR","in_stock":true},{"title":"1,000 liters \/ 100mm","offer_id":55343623242076,"sku":"SPSRR1000+SISOC","price":1535.0,"currency_code":"EUR","in_stock":true},{"title":"600 liters \/ 130mm","offer_id":55343623078236,"sku":"SPSRR600+SISOB","price":1608.0,"currency_code":"EUR","in_stock":true},{"title":"800 liters \/ 130mm","offer_id":55343623176540,"sku":"SPSRR800+SISOB","price":1652.0,"currency_code":"EUR","in_stock":true},{"title":"1,000 liters \/ 130mm","offer_id":55343623274844,"sku":"SPSRR1000+SISOB","price":1718.0,"currency_code":"EUR","in_stock":true},{"title":"600 liters \/ 150mm","offer_id":55343623111004,"sku":"SPSRR600+SISOA","price":1777.0,"currency_code":"EUR","in_stock":true},{"title":"800 liters \/ 150mm","offer_id":55343623209308,"sku":"SPSRR800+SISOA","price":1821.0,"currency_code":"EUR","in_stock":true},{"title":"1,000 liters \/ 150mm","offer_id":55343623307612,"sku":"SPSRR1000+SISOA","price":1887.0,"currency_code":"EUR","in_stock":true},{"title":"1,500 liters \/ 100mm","offer_id":55343623340380,"sku":"SPSRR1500+SISOC","price":2085.0,"currency_code":"EUR","in_stock":true},{"title":"1,500 liters \/ 130mm","offer_id":55343623373148,"sku":"SPSRR1500+SISOB","price":2268.0,"currency_code":"EUR","in_stock":true},{"title":"2,000 liters \/ 100mm","offer_id":55343623438684,"sku":"SPSRR2000+SISOC","price":2592.0,"currency_code":"EUR","in_stock":true},{"title":"2,000 liters \/ 130mm","offer_id":55343623471452,"sku":"SPSRR2000+SISOB","price":2775.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/schichten-pufferspeicher-mit-2-warmetauscher-5468097.webp?v=1770692066"},{"product_id":"hygienespeicher-elektromet-ebns-800-solar-830-l","title":"Elektromet Hygienic Storage Tank with Solar Register \u0026 Insulation A – 800 Liters","description":"\u003ch2\u003eHeating water buffer tank with domestic hot water heating WGJ-BN INOX SOLAR\u003c\/h2\u003e  \u003ch3\u003eStructure and intended use\u003c\/h3\u003e  \u003cp\u003eThe WGJ-BN INOX SOLAR is a combined buffer storage tank for heating water and domestic hot water with an integrated stainless steel heating coil as a heat exchanger. It was designed for integration into central heating systems with boilers, heat pumps, or for the use of solar heat, and enables both the storage of heating energy and the continuous heating of drinking water.\u003c\/p\u003e  \u003cp\u003eInside are two separate heating coils: one made of black steel tubing for an additional heat source (e.g., solar collectors), and a stainless steel corrugated tubing coil for efficient domestic hot water heating, which also allows the unit to function as an instantaneous water heater. The maximum operating pressure of the storage tank is 0.3 MPa.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cp\u003eThe tank's casing is made of black sheet steel and is thermally insulated with a 100 mm thick layer of polystyrene foam; this insulation is removable and protected by a laminate sheath. The stainless steel coil ensures a large heat transfer surface and rapid heating of domestic water.\u003c\/p\u003e  \u003cp\u003eTo expand functionality, electrically heated cartridges of the EJK 1500 ÷ 9000 type from ZUG \u0026quot;ELEKTROMET\u0026quot; can be used. The design and dimensions can be found in the manufacturer's specifications; connections and mounting points must be made according to the markings on the housing.\u003c\/p\u003e  \u003ch3\u003eSafety and assembly instructions\u003c\/h3\u003e  \u003cp\u003eThe storage tank may only be operated in closed heating systems in conjunction with a functioning safety valve. A safety valve with a maximum opening pressure of 0.3 MPa must be installed on the heating water return line; this valve protects against excessive pressure buildup in the heating circuit.\u003c\/p\u003e  \u003cp\u003eA safety valve with a rated opening pressure of 0.67 MPa (6.7 bar) must be installed at the cold water inlet to the stainless steel coil and at the solar inlet. No shut-off valves may be installed between the safety valve and the storage tank, and the safety valve outlet must not be blocked or obstructed.\u003c\/p\u003e  \u003ch3\u003eRecommended additional components\u003c\/h3\u003e  \u003cp\u003eTo extend the service life of the storage tank and ensure trouble-free operation of the safety valve, the manufacturer recommends the use of mechanical filter systems (e.g., wound filters) on the cold water inlet directly upstream of the safety valve. These filters remove solid contaminants such as sand, corrosion particles, or sludge.\u003c\/p\u003e  \u003cp\u003eFor electric auxiliary heating, only cartridge heaters with insulated heating elements are permitted during the warranty period; the EJK series from ELEKTROMET meets this requirement. All auxiliary components must be installed according to the respective manufacturer's instructions.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eThe safety valve's functionality must be checked at least once a month and always before each commissioning after decommissioning. Before any maintenance or repair work, the respective systems must be shut down and secured in accordance with safety regulations.\u003c\/p\u003e  \u003cp\u003eRepairs to the storage tank and water installation may only be carried out by qualified personnel. Regular inspections and proper maintenance increase the operational reliability and service life of the device.\u003c\/p\u003e  \u003ch3\u003eInstallation of a heating cartridge\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electrically heated cartridges with insulated heating elements may be used. ELEKTROMET EJK cartridge heaters (type EJK 1500 ÷ 9000) are recommended. Installation and electrical connection must be carried out in accordance with the manufacturer's specifications and applicable standards.\u003c\/p\u003e  \u003ch3\u003eAreas of application and advantages\u003c\/h3\u003e  \u003cp\u003eThe WGJ-BN INOX SOLAR is suitable for residential and commercial properties where a combination of buffer storage for heating systems and on-demand hot water preparation is desired. It is particularly advantageous for use in systems with solar collectors, heat pumps, or conventional boilers.\u003c\/p\u003e  \u003cp\u003eThe combination of a large heat exchange surface, compact design, and good thermal insulation enables rapid heat delivery and energy efficiency. The stainless steel coil ensures hygienic heating of domestic water without direct storage for extended periods, thus reducing the risk of Legionella.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EBNSTTB_790_749.webp?v=1758714156\"\u003e\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygiene storage 800 or 1,000 liters\u003c\/li\u003e  \u003cli\u003e100 mm A insulation (2 half shells removable)\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Elektromet","offers":[{"title":"Default Title","offer_id":55552187924828,"sku":"EBNS800","price":1940.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/heizwasser-pufferspeicher-1906143.webp?v=1770692002"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-500-498-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58156004540764,"sku":"PSTW-069-05-001","price":792.0,"currency_code":"EUR","in_stock":true},{"title":"Kautschukmatte","offer_id":58156004573532,"sku":"PSTW-069-05-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"hygienespeicher-elektromet-ebns-1000-solar-902-l","title":"Elektromet Hygienic Storage Tank with Solar Register \u0026 Insulation A – 1000 Liters","description":"\u003ch2\u003eHeating water buffer tank with domestic hot water heating WGJ-BN INOX SOLAR\u003c\/h2\u003e  \u003ch3\u003eStructure and intended use\u003c\/h3\u003e  \u003cp\u003eThe WGJ-BN INOX SOLAR is a combined buffer storage tank for heating water and domestic hot water with an integrated stainless steel heating coil as a heat exchanger. It was designed for integration into central heating systems with boilers, heat pumps, or for the use of solar heat, and enables both the storage of heating energy and the continuous heating of drinking water.\u003c\/p\u003e  \u003cp\u003eInside are two separate heating coils: one made of black steel tubing for an additional heat source (e.g., solar collectors), and a stainless steel corrugated tubing coil for efficient domestic hot water heating, which also allows the unit to function as an instantaneous water heater. The maximum operating pressure of the storage tank is 0.3 MPa.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cp\u003eThe tank's casing is made of black sheet steel and is thermally insulated with a 100 mm thick layer of polystyrene foam; this insulation is removable and protected by a laminate sheath. The stainless steel coil ensures a large heat transfer surface and rapid heating of domestic water.\u003c\/p\u003e  \u003cp\u003eTo expand functionality, electrically heated cartridges of the EJK 1500 ÷ 9000 type from ZUG \u0026quot;ELEKTROMET\u0026quot; can be used. The design and dimensions can be found in the manufacturer's specifications; connections and mounting points must be made according to the markings on the housing.\u003c\/p\u003e  \u003ch3\u003eSafety and assembly instructions\u003c\/h3\u003e  \u003cp\u003eThe storage tank may only be operated in closed heating systems in conjunction with a functioning safety valve. A safety valve with a maximum opening pressure of 0.3 MPa must be installed on the heating water return line; this valve protects against excessive pressure buildup in the heating circuit.\u003c\/p\u003e  \u003cp\u003eA safety valve with a rated opening pressure of 0.67 MPa (6.7 bar) must be installed at the cold water inlet to the stainless steel coil and at the solar inlet. No shut-off valves may be installed between the safety valve and the storage tank, and the safety valve outlet must not be blocked or obstructed.\u003c\/p\u003e  \u003ch3\u003eRecommended additional components\u003c\/h3\u003e  \u003cp\u003eTo extend the service life of the storage tank and ensure trouble-free operation of the safety valve, the manufacturer recommends the use of mechanical filter systems (e.g., wound filters) on the cold water inlet directly upstream of the safety valve. These filters remove solid contaminants such as sand, corrosion particles, or sludge.\u003c\/p\u003e  \u003cp\u003eFor electric auxiliary heating, only cartridge heaters with insulated heating elements are permitted during the warranty period; the EJK series from ELEKTROMET meets this requirement. All auxiliary components must be installed according to the respective manufacturer's instructions.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eThe safety valve's functionality must be checked at least once a month and always before each commissioning after decommissioning. Before any maintenance or repair work, the respective systems must be shut down and secured in accordance with safety regulations.\u003c\/p\u003e  \u003cp\u003eRepairs to the storage tank and water installation may only be carried out by qualified personnel. Regular inspections and proper maintenance increase the operational reliability and service life of the device.\u003c\/p\u003e  \u003ch3\u003eInstallation of a heating cartridge\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electrically heated cartridges with insulated heating elements may be used. ELEKTROMET EJK cartridge heaters (type EJK 1500 ÷ 9000) are recommended. Installation and electrical connection must be carried out in accordance with the manufacturer's specifications and applicable standards.\u003c\/p\u003e  \u003ch3\u003eAreas of application and advantages\u003c\/h3\u003e  \u003cp\u003eThe WGJ-BN INOX SOLAR is suitable for residential and commercial properties where a combination of buffer storage for heating systems and on-demand hot water preparation is desired. It is particularly advantageous for use in systems with solar collectors, heat pumps, or conventional boilers.\u003c\/p\u003e  \u003cp\u003eThe combination of a large heat exchange surface, compact design, and good thermal insulation enables rapid heat delivery and energy efficiency. The stainless steel coil ensures hygienic heating of domestic water without direct storage for extended periods, thus reducing the risk of Legionella.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EBNSTTB_790_749.webp?v=1758714156\"\u003e\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygiene storage 800 or 1,000 liters\u003c\/li\u003e  \u003cli\u003e100 mm A insulation (2 half shells removable)\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Elektromet","offers":[{"title":"Default Title","offer_id":57377726824796,"sku":"EBNS1000","price":1990.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/heizwasser-pufferspeicher-1906143.webp?v=1770692002"},{"product_id":"schichten-pufferspeicher-mit-1-warmetauscher-1-000-liter","title":"Layer Buffer Tank with 1 Heat Exchanger – 1,000 Liters","description":"\u003ch2\u003eSPSR stratified buffer storage tank – Efficient storage solution for heating, solar and solid fuel systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe SPSR stratified buffer storage tank is a robustly constructed hot water storage tank for heating systems, solar thermal systems, and combined heat and power plants. It combines a stable tank design with integrated stratification technology and a permanently welded smooth-tube heat exchanger, thus ensuring high system efficiency and reliable stratification of the return flows.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/SPSR_480_1384_3000_480x480.webp?v=1756291781\" alt=\"\" style=\"margin-right: 16px; margin-bottom: 16px; float: left;\"\u003e\u003c\/div\u003e  \u003cp\u003eThe tank and smooth-tube heat exchanger are made of high-quality S235JRG2 steel according to DIN 4753 and EN 12897. The interior is left untreated, while the outer shell is primed; the tank rests securely on a base ring. The tank is designed for a maximum operating pressure of 5 bar and features two ports for electric heating elements.\u003c\/p\u003e  \u003ch3\u003eLayer technology and heat exchangers\u003c\/h3\u003e  \u003cp\u003eFor optimized stratification, stratification channels are integrated into the storage tank, and a stratification plate is welded in. These components reduce mixing and improve temperature stratification, thereby increasing the usable heat output. The permanently welded-in smooth-tube heat exchanger ensures efficient heat exchange for solar and heating circuits.\u003c\/p\u003e  \u003ch3\u003eConnections and ease of assembly\u003c\/h3\u003e  \u003cp\u003eThe 90° angled socket arrangement simplifies the assembly and connection of multiple buffer tanks. This enables compact system layouts and easy system couplings. The arrangement of the connections and the base ring further simplify installation and subsequent maintenance.\u003c\/p\u003e  \u003ch3\u003eInsulation options – EPS AirPor® grey\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® grey polystyrene foam insulation is available in 100 mm (efficiency class C) and 130 mm (efficiency class B) thicknesses. The insulation combines EPS with an additional fleece layer and an admixture of graphite nanoparticles, which significantly reduce heat loss through increased heat reflection.\u003c\/p\u003e  \u003cp\u003eThanks to its lightweight, precisely fitting design, the insulation is quick to install, mechanically robust, and 100% recyclable. The overall insulation thickness, along with additional bottom and top insulation, ensures significant energy savings during operation.\u003c\/p\u003e  \u003ch3\u003eInsulation option – PU super-rigid foam\u003c\/h3\u003e  \u003cp\u003eThe 150 mm thick PU super rigid foam insulation (for 600–1000 l storage tanks) combines excellent insulation performance with a PS jacket in RAL 9006 and a clamping strip for easy installation. A 10 mm polyester fiber fleece prevents convection losses at the tank walls, lid, and joints.\u003c\/p\u003e  \u003cp\u003eWith a thermal conductivity of approximately 0.023 W\/mK and efficiency class A, this insulation offers the best insulation performance in the range and is also recyclable and skin-friendly.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications and equipment\u003c\/h3\u003e  \u003cp\u003eThe SPSR is equipped with stratification channels, a stratification plate, and a permanently installed smooth-tube heat exchanger. Further features include a raw interior, primed exterior, two sockets for electric heating elements, and design for an operating pressure of up to 5 bar.\u003c\/p\u003e  \u003ch3\u003eAdvantages and areas of application\u003c\/h3\u003e  \u003cp\u003eThe combination of targeted layering technology, high-quality steel construction, and effective insulation increases the efficiency of heating systems and reduces heat loss. Applications include heating systems, solid fuel boilers, solar thermal systems, combined heat and power plants, and combined energy systems that rely on reliable temperature stratification.\u003c\/p\u003e  \u003ch3\u003eEnvironment, safety and standards\u003c\/h3\u003e  \u003cp\u003eThe materials used are environmentally friendly and largely recyclable.The insulation materials meet common fire protection requirements (DIN 4102 B2) and thermal conductivity requirements according to DIN EN 12667, meaning that the storage unit meets high safety and environmental standards.\u003c\/p\u003e  \u003ch3\u003eSelection, assembly instructions and service\u003c\/h3\u003e  \u003cp\u003eChoose the appropriate storage capacity and insulation option according to your system requirements; the standardized socket arrangement facilitates integration. For optimal performance, professional installation by trained personnel and consideration of the connection configurations during system planning are recommended.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eStratified storage tank with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Gema GmbH","offers":[{"title":"100mm","offer_id":57377747108188,"sku":"SPSR1000+SISOC","price":1305.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":57377747140956,"sku":"SPSR1000+SISOB","price":1488.0,"currency_code":"EUR","in_stock":true},{"title":"1,000 liters \/ 150mm","offer_id":57377747173724,"sku":"SPSR1000+SISOA","price":1657.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/schichten-pufferspeicher-mit-2-warmetauscher-5468097.webp?v=1770692066"},{"product_id":"schichten-pufferspeicher-mit-1-warmetauscher-1-500-liter","title":"Layer Buffer Tank with 1 Heat Exchanger – 1,500 Liters","description":"\u003ch2\u003eSPSR stratified buffer storage tank – Efficient storage solution for heating, solar and solid fuel systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe SPSR stratified buffer storage tank is a robustly constructed hot water storage tank for heating systems, solar thermal systems, and combined heat and power plants. It combines a stable tank design with integrated stratification technology and a permanently welded smooth-tube heat exchanger, thus ensuring high system efficiency and reliable stratification of the return flows.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/SPSR_480_1384_3000_480x480.webp?v=1756291781\" alt=\"\" style=\"margin-right: 16px; margin-bottom: 16px; float: left;\"\u003e\u003c\/div\u003e  \u003cp\u003eThe tank and smooth-tube heat exchanger are made of high-quality S235JRG2 steel according to DIN 4753 and EN 12897. The interior is left untreated, while the outer shell is primed; the tank rests securely on a base ring. The tank is designed for a maximum operating pressure of 5 bar and features two ports for electric heating elements.\u003c\/p\u003e  \u003ch3\u003eLayer technology and heat exchangers\u003c\/h3\u003e  \u003cp\u003eFor optimized stratification, stratification channels are integrated into the storage tank, and a stratification plate is welded in. These components reduce mixing and improve temperature stratification, thereby increasing the usable heat output. The permanently welded-in smooth-tube heat exchanger ensures efficient heat exchange for solar and heating circuits.\u003c\/p\u003e  \u003ch3\u003eConnections and ease of assembly\u003c\/h3\u003e  \u003cp\u003eThe 90° angled socket arrangement simplifies the assembly and connection of multiple buffer tanks. This enables compact system layouts and easy system couplings. The arrangement of the connections and the base ring further simplify installation and subsequent maintenance.\u003c\/p\u003e  \u003ch3\u003eInsulation options – EPS AirPor® grey\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® grey polystyrene foam insulation is available in 100 mm (efficiency class C) and 130 mm (efficiency class B) thicknesses. The insulation combines EPS with an additional fleece layer and an admixture of graphite nanoparticles, which significantly reduce heat loss through increased heat reflection.\u003c\/p\u003e  \u003cp\u003eThanks to its lightweight, precisely fitting design, the insulation is quick to install, mechanically robust, and 100% recyclable. The overall insulation thickness, along with additional bottom and top insulation, ensures significant energy savings during operation.\u003c\/p\u003e  \u003ch3\u003eInsulation option – PU super-rigid foam\u003c\/h3\u003e  \u003cp\u003eThe 150 mm thick PU super rigid foam insulation (for 600–1000 l storage tanks) combines excellent insulation performance with a PS jacket in RAL 9006 and a clamping strip for easy installation. A 10 mm polyester fiber fleece prevents convection losses at the tank walls, lid, and joints.\u003c\/p\u003e  \u003cp\u003eWith a thermal conductivity of approximately 0.023 W\/mK and efficiency class A, this insulation offers the best insulation performance in the range and is also recyclable and skin-friendly.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications and equipment\u003c\/h3\u003e  \u003cp\u003eThe SPSR is equipped with stratification channels, a stratification plate, and a permanently installed smooth-tube heat exchanger. Further features include a raw interior, primed exterior, two sockets for electric heating elements, and design for an operating pressure of up to 5 bar.\u003c\/p\u003e  \u003ch3\u003eAdvantages and areas of application\u003c\/h3\u003e  \u003cp\u003eThe combination of targeted layering technology, high-quality steel construction, and effective insulation increases the efficiency of heating systems and reduces heat loss. Applications include heating systems, solid fuel boilers, solar thermal systems, combined heat and power plants, and combined energy systems that rely on reliable temperature stratification.\u003c\/p\u003e  \u003ch3\u003eEnvironment, safety and standards\u003c\/h3\u003e  \u003cp\u003eThe materials used are environmentally friendly and largely recyclable.The insulation materials meet common fire protection requirements (DIN 4102 B2) and thermal conductivity requirements according to DIN EN 12667, meaning that the storage unit meets high safety and environmental standards.\u003c\/p\u003e  \u003ch3\u003eSelection, assembly instructions and service\u003c\/h3\u003e  \u003cp\u003eChoose the appropriate storage capacity and insulation option according to your system requirements; the standardized socket arrangement facilitates integration. For optimal performance, professional installation by trained personnel and consideration of the connection configurations during system planning are recommended.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eStratified storage tank with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Gema GmbH","offers":[{"title":"100mm","offer_id":57377749500252,"sku":"SPSR1500+SISOC","price":1815.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":57377749533020,"sku":"SPSR1500+SISOB","price":1998.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/schichten-pufferspeicher-mit-2-warmetauscher-5468097.webp?v=1770692066"},{"product_id":"schichten-pufferspeicher-mit-1-warmetauscher-2-000-liter","title":"Layer Buffer Tank with 1 Heat Exchanger – 2,000 Liters","description":"\u003ch2\u003eSPSR stratified buffer storage tank – Efficient storage solution for heating, solar and solid fuel systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe SPSR stratified buffer storage tank is a robustly constructed hot water storage tank for heating systems, solar thermal systems, and combined heat and power plants. It combines a stable tank design with integrated stratification technology and a permanently welded smooth-tube heat exchanger, thus ensuring high system efficiency and reliable stratification of the return flows.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/SPSR_480_1384_3000_480x480.webp?v=1756291781\" alt=\"\" style=\"margin-right: 16px; margin-bottom: 16px; float: left;\"\u003e\u003c\/div\u003e  \u003cp\u003eThe tank and smooth-tube heat exchanger are made of high-quality S235JRG2 steel according to DIN 4753 and EN 12897. The interior is left untreated, while the outer shell is primed; the tank rests securely on a base ring. The tank is designed for a maximum operating pressure of 5 bar and features two ports for electric heating elements.\u003c\/p\u003e  \u003ch3\u003eLayer technology and heat exchangers\u003c\/h3\u003e  \u003cp\u003eFor optimized stratification, stratification channels are integrated into the storage tank, and a stratification plate is welded in. These components reduce mixing and improve temperature stratification, thereby increasing the usable heat output. The permanently welded-in smooth-tube heat exchanger ensures efficient heat exchange for solar and heating circuits.\u003c\/p\u003e  \u003ch3\u003eConnections and ease of assembly\u003c\/h3\u003e  \u003cp\u003eThe 90° angled socket arrangement simplifies the assembly and connection of multiple buffer tanks. This enables compact system layouts and easy system couplings. The arrangement of the connections and the base ring further simplify installation and subsequent maintenance.\u003c\/p\u003e  \u003ch3\u003eInsulation options – EPS AirPor® grey\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® grey polystyrene foam insulation is available in 100 mm (efficiency class C) and 130 mm (efficiency class B) thicknesses. The insulation combines EPS with an additional fleece layer and an admixture of graphite nanoparticles, which significantly reduce heat loss through increased heat reflection.\u003c\/p\u003e  \u003cp\u003eThanks to its lightweight, precisely fitting design, the insulation is quick to install, mechanically robust, and 100% recyclable. The overall insulation thickness, along with additional bottom and top insulation, ensures significant energy savings during operation.\u003c\/p\u003e  \u003ch3\u003eInsulation option – PU super-rigid foam\u003c\/h3\u003e  \u003cp\u003eThe 150 mm thick PU super rigid foam insulation (for 600–1000 l storage tanks) combines excellent insulation performance with a PS jacket in RAL 9006 and a clamping strip for easy installation. A 10 mm polyester fiber fleece prevents convection losses at the tank walls, lid, and joints.\u003c\/p\u003e  \u003cp\u003eWith a thermal conductivity of approximately 0.023 W\/mK and efficiency class A, this insulation offers the best insulation performance in the range and is also recyclable and skin-friendly.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications and equipment\u003c\/h3\u003e  \u003cp\u003eThe SPSR is equipped with stratification channels, a stratification plate, and a permanently installed smooth-tube heat exchanger. Further features include a raw interior, primed exterior, two sockets for electric heating elements, and design for an operating pressure of up to 5 bar.\u003c\/p\u003e  \u003ch3\u003eAdvantages and areas of application\u003c\/h3\u003e  \u003cp\u003eThe combination of targeted layering technology, high-quality steel construction, and effective insulation increases the efficiency of heating systems and reduces heat loss. Applications include heating systems, solid fuel boilers, solar thermal systems, combined heat and power plants, and combined energy systems that rely on reliable temperature stratification.\u003c\/p\u003e  \u003ch3\u003eEnvironment, safety and standards\u003c\/h3\u003e  \u003cp\u003eThe materials used are environmentally friendly and largely recyclable.The insulation materials meet common fire protection requirements (DIN 4102 B2) and thermal conductivity requirements according to DIN EN 12667, meaning that the storage unit meets high safety and environmental standards.\u003c\/p\u003e  \u003ch3\u003eSelection, assembly instructions and service\u003c\/h3\u003e  \u003cp\u003eChoose the appropriate storage capacity and insulation option according to your system requirements; the standardized socket arrangement facilitates integration. For optimal performance, professional installation by trained personnel and consideration of the connection configurations during system planning are recommended.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eStratified storage tank with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Gema GmbH","offers":[{"title":"2.000 Liter \/ 100mm","offer_id":57377753071964,"sku":"SPSR2000+SISOC","price":2265.0,"currency_code":"EUR","in_stock":true},{"title":"2.000 Liter \/ 130mm","offer_id":57377753104732,"sku":"SPSR2000+SISOB","price":2448.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/schichten-pufferspeicher-mit-2-warmetauscher-5468097.webp?v=1770692066"},{"product_id":"gema-hygienespeicher-fks-300-319-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 300 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":57377793114460,"sku":"FKS300+EEKC","price":1424.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":57377793147228,"sku":"FKS300+EEKB","price":1607.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"gema-hygienespeicher-fks-400-396-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 400 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":57377800094044,"sku":"FKS400+EEKC","price":1474.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":57377800126812,"sku":"FKS400+EEKB","price":1657.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"gema-fks-600-hygienespeicher-551-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 600 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":57377806745948,"sku":"FKS600+EEKC","price":1524.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":57377806778716,"sku":"FKS600+EEKB","price":1707.0,"currency_code":"EUR","in_stock":true},{"title":"150mm","offer_id":57377806811484,"sku":"FKS600+EEKA","price":1876.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"hygienespeicher-gema-fks-800-714-l","title":"Hygiene storage tank with 2 heat exchangers – 800 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"800 Liter \/ 100mm","offer_id":57377809236316,"sku":"FKS800+EEKC","price":1554.0,"currency_code":"EUR","in_stock":true},{"title":"800 Liter \/ 130mm","offer_id":57377809269084,"sku":"FKS800+EEKB","price":1737.0,"currency_code":"EUR","in_stock":true},{"title":"800 Liter \/ 150mm","offer_id":57377809301852,"sku":"FKS800+EEKA","price":1906.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"hygienespeicher-gema-fks-1000-889-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 1000 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":57377812185436,"sku":"FKS1000+EEKC","price":1624.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":57377812218204,"sku":"FKS1000+EEKB","price":1807.0,"currency_code":"EUR","in_stock":true},{"title":"150mm","offer_id":57377812480348,"sku":"FKS1000+EEKA","price":1976.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"hygienespeicher-gema-fks-1500-1388-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 1500 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"1500 Liter \/ 100mm","offer_id":57377869562204,"sku":"FKS1500+EEKC","price":2054.0,"currency_code":"EUR","in_stock":true},{"title":"1500 Liter \/ 130mm","offer_id":57377869594972,"sku":"FKS1500+EEKB","price":2237.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"hygienespeicher-gema-fks-2000-1976-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 2000 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"2000 Liter \/ 100mm","offer_id":57377873297756,"sku":"FKS2000+EEKC","price":2434.0,"currency_code":"EUR","in_stock":true},{"title":"2000 Liter \/ 130mm","offer_id":57377873330524,"sku":"FKS2000+EEKB","price":2617.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"sunex-fish-s2-x-brauchwasserspeicher-150-liter","title":"Hot water tank Sunex Fish S2","description":"\u003ch2\u003eSunex S2 X hot water storage tank\u003c\/h2\u003e  \u003cp\u003eSUNEX hot water storage tanks impress with \u003cstrong\u003eminimal heat loss\u003c\/strong\u003en. \u003cstrong\u003eThe enamelled inner coating\u003c\/strong\u003e Together with the magnesium anode, it always provides clean and fresh water.\u003c\/p\u003e  \u003cp\u003eDomestic hot water is heated by \u003cstrong\u003etwo \u003c\/strong\u003eindependently operating smooth tube\u003cstrong\u003eWater heat exchanger\u003c\/strong\u003e,  which allows the connection of an external heat source such as z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003cp\u003eA large inspection opening allows for easy cleaning.\u003c\/p\u003e  \u003cp\u003eThe storage system offers easy operation, flexible installation and\u003cstrong\u003e low maintenance costs.\u003c\/strong\u003e In summary, it is therefore a recommended choice for anyone who values ​​a constant supply of hot water and \u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e regard.\u003c\/p\u003e  \u003cp\u003eThe Sunex hot water storage tank is designed according to DIN 4753 standard and therefore ensures hygienically perfect water.\u003c\/p\u003e  \u003ch4\u003eThermal insulation\u003c\/h4\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch4\u003eequipment\u003c\/h4\u003e  \u003cp\u003eInspection opening, thermometer, socket for electric heating element, 2 magnesium anodes\u003cstrong\u003e*\u003c\/strong\u003e,  2 x internal heat exchangers.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e*\u003c\/strong\u003eA titanium anode can be used optionally.\u003c\/em\u003e\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_S2X_Aufbau_3000_3000_480x480.webp?v=1755605816\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cdiv\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cb\u003eS235JR\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eStorage capacity: \u003cstrong\u003e150 - 500 liters\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eProtection: \u003cb\u003ehigh-quality\u003c\/b\u003e Enamel layer and sacrificial anode\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cb\u003e10 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cb\u003e15 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cb\u003e95°C\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cb\u003e50 mm\u003c\/b\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eOuter shell: \u003cb\u003egrey\u003c\/b\u003e Color\u003c\/li\u003e  \u003cli\u003eHeat exchanger: steel tube \u003cb\u003eP235GH\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening: \u003cb\u003eØ 122 mm\/Ø 179 mm\u003c\/b\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378431828316,"sku":"SS2150","price":600.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-sunex-fish-s2-x-2753439.webp?v=1770692663"},{"product_id":"sunex-fish-s2-x-brauchwasserspeicher-200-liter","title":"Hot water tank Sunex Fish S2","description":"\u003ch2\u003eSunex S2 X hot water storage tank\u003c\/h2\u003e  \u003cp\u003eSUNEX hot water storage tanks impress with \u003cstrong\u003eminimal heat loss\u003c\/strong\u003en. \u003cstrong\u003eThe enamelled inner coating\u003c\/strong\u003e Together with the magnesium anode, it always provides clean and fresh water.\u003c\/p\u003e  \u003cp\u003eDomestic hot water is heated by \u003cstrong\u003etwo \u003c\/strong\u003eindependently operating smooth tube\u003cstrong\u003eWater heat exchanger\u003c\/strong\u003e,  which allows the connection of an external heat source such as z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003cp\u003eA large inspection opening allows for easy cleaning.\u003c\/p\u003e  \u003cp\u003eThe storage system offers easy operation, flexible installation and\u003cstrong\u003e low maintenance costs.\u003c\/strong\u003e In summary, it is therefore a recommended choice for anyone who values ​​a constant supply of hot water and \u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e regard.\u003c\/p\u003e  \u003cp\u003eThe Sunex hot water storage tank is designed according to DIN 4753 standard and therefore ensures hygienically perfect water.\u003c\/p\u003e  \u003ch4\u003eThermal insulation\u003c\/h4\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch4\u003eequipment\u003c\/h4\u003e  \u003cp\u003eInspection opening, thermometer, socket for electric heating element, 2 magnesium anodes\u003cstrong\u003e*\u003c\/strong\u003e,  2 x internal heat exchangers.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e*\u003c\/strong\u003eA titanium anode can be used optionally.\u003c\/em\u003e\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_S2X_Aufbau_3000_3000_480x480.webp?v=1755605816\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cdiv\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cb\u003eS235JR\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eStorage capacity: \u003cstrong\u003e150 - 500 liters\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eProtection: \u003cb\u003ehigh-quality\u003c\/b\u003e Enamel layer and sacrificial anode\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cb\u003e10 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cb\u003e15 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cb\u003e95°C\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cb\u003e50 mm\u003c\/b\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eOuter shell: \u003cb\u003egrey\u003c\/b\u003e Color\u003c\/li\u003e  \u003cli\u003eHeat exchanger: steel tube \u003cb\u003eP235GH\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening: \u003cb\u003eØ 122 mm\/Ø 179 mm\u003c\/b\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378441494876,"sku":"SS2200","price":630.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-sunex-fish-s2-x-2753439.webp?v=1770692663"},{"product_id":"sunex-fish-s2-x-brauchwasserspeicher-300-liter","title":"Hot water tank Sunex Fish S2","description":"\u003ch2\u003eSunex S2 X hot water storage tank\u003c\/h2\u003e  \u003cp\u003eSUNEX hot water storage tanks impress with \u003cstrong\u003eminimal heat loss\u003c\/strong\u003en. \u003cstrong\u003eThe enamelled inner coating\u003c\/strong\u003e Together with the magnesium anode, it always provides clean and fresh water.\u003c\/p\u003e  \u003cp\u003eDomestic hot water is heated by \u003cstrong\u003etwo \u003c\/strong\u003eindependently operating smooth tube\u003cstrong\u003eWater heat exchanger\u003c\/strong\u003e,  which allows the connection of an external heat source such as z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003cp\u003eA large inspection opening allows for easy cleaning.\u003c\/p\u003e  \u003cp\u003eThe storage system offers easy operation, flexible installation and\u003cstrong\u003e low maintenance costs.\u003c\/strong\u003e In summary, it is therefore a recommended choice for anyone who values ​​a constant supply of hot water and \u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e regard.\u003c\/p\u003e  \u003cp\u003eThe Sunex hot water storage tank is designed according to DIN 4753 standard and therefore ensures hygienically perfect water.\u003c\/p\u003e  \u003ch4\u003eThermal insulation\u003c\/h4\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch4\u003eequipment\u003c\/h4\u003e  \u003cp\u003eInspection opening, thermometer, socket for electric heating element, 2 magnesium anodes\u003cstrong\u003e*\u003c\/strong\u003e,  2 x internal heat exchangers.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e*\u003c\/strong\u003eA titanium anode can be used optionally.\u003c\/em\u003e\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_S2X_Aufbau_3000_3000_480x480.webp?v=1755605816\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cdiv\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cb\u003eS235JR\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eStorage capacity: \u003cstrong\u003e150 - 500 liters\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eProtection: \u003cb\u003ehigh-quality\u003c\/b\u003e Enamel layer and sacrificial anode\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cb\u003e10 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cb\u003e15 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cb\u003e95°C\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cb\u003e50 mm\u003c\/b\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eOuter shell: \u003cb\u003egrey\u003c\/b\u003e Color\u003c\/li\u003e  \u003cli\u003eHeat exchanger: steel tube \u003cb\u003eP235GH\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening: \u003cb\u003eØ 122 mm\/Ø 179 mm\u003c\/b\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378454634844,"sku":"SS2300","price":760.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-sunex-fish-s2-x-2753439.webp?v=1770692663"},{"product_id":"sunex-fish-s2-x-brauchwasserspeicher-400-liter","title":"Hot water tank Sunex Fish S2","description":"\u003ch2\u003eSunex S2 X hot water storage tank\u003c\/h2\u003e  \u003cp\u003eSUNEX hot water storage tanks impress with \u003cstrong\u003eminimal heat loss\u003c\/strong\u003en. \u003cstrong\u003eThe enamelled inner coating\u003c\/strong\u003e Together with the magnesium anode, it always provides clean and fresh water.\u003c\/p\u003e  \u003cp\u003eDomestic hot water is heated by \u003cstrong\u003etwo \u003c\/strong\u003eindependently operating smooth tube\u003cstrong\u003eWater heat exchanger\u003c\/strong\u003e,  which allows the connection of an external heat source such as z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003cp\u003eA large inspection opening allows for easy cleaning.\u003c\/p\u003e  \u003cp\u003eThe storage system offers easy operation, flexible installation and\u003cstrong\u003e low maintenance costs.\u003c\/strong\u003e In summary, it is therefore a recommended choice for anyone who values ​​a constant supply of hot water and \u003cstrong\u003eEnergy efficiency\u003c\/strong\u003e regard.\u003c\/p\u003e  \u003cp\u003eThe Sunex hot water storage tank is designed according to DIN 4753 standard and therefore ensures hygienically perfect water.\u003c\/p\u003e  \u003ch4\u003eThermal insulation\u003c\/h4\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch4\u003eequipment\u003c\/h4\u003e  \u003cp\u003eInspection opening, thermometer, socket for electric heating element, 2 magnesium anodes\u003cstrong\u003e*\u003c\/strong\u003e,  2 x internal heat exchangers.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e*\u003c\/strong\u003eA titanium anode can be used optionally.\u003c\/em\u003e\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_S2X_Aufbau_3000_3000_480x480.webp?v=1755605816\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cdiv\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cb\u003eS235JR\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eStorage capacity: \u003cstrong\u003e150 - 500 liters\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eProtection: \u003cb\u003ehigh-quality\u003c\/b\u003e Enamel layer and sacrificial anode\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cb\u003e10 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cb\u003e15 bar\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cb\u003e95°C\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cb\u003e50 mm\u003c\/b\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eOuter shell: \u003cb\u003egrey\u003c\/b\u003e Color\u003c\/li\u003e  \u003cli\u003eHeat exchanger: steel tube \u003cb\u003eP235GH\u003c\/b\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening: \u003cb\u003eØ 122 mm\/Ø 179 mm\u003c\/b\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378467250524,"sku":"SS2400","price":1050.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-sunex-fish-s2-x-2753439.webp?v=1770692663"},{"product_id":"brauchwasserspeicher-sunex-fish-s1-150-x-150-liter","title":"Hot water tank Fish S1","description":"\u003ch2\u003eFish S1 X domestic hot water storage tank\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVertical hot water storage tank for domestic hot water preparation.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe hot water contact surface with the storage tank is protected against corrosion by a layer of high-quality enamel and magnesium anode*.\u003cbr\u003eThis ensures, in accordance with DIN 4753, that the process water only comes into contact with a hygienically clean surface.\u003cbr\u003e\u003cbr\u003eDomestic hot water is heated by a smooth-tube water heat exchanger, which allows the connection of an external heat source such as... z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003ch3\u003eThermal insulation \u0026amp; Fish S1 X domestic hot water storage tank\u003c\/h3\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch3\u003eStandard equipment of the hot water storage tank\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eInspection opening, thermometer, socket for electric heating element, magnesium anode*,\u003c\/li\u003e  \u003cli\u003einternal heat exchanger.\u0026amp;nbsp;\u003c\/li\u003e  \u003cli\u003e*Optionally, a titanium anode can be used.\u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S1_X_Aufbau_3000_3000_480x480.webp?v=1755672941\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality\u003c\/strong\u003e Enamel coating and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature:\u003cstrong\u003e 95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInspection opening: \u003cstrong\u003eø122 mm\/ ø179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378488516956,"sku":"SS1150","price":559.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Fis_S1_X.png?v=1782451507"},{"product_id":"brauchwasserspeicher-sunex-fish-s1-200-x-200-liter","title":"Hot water tank Fish S1","description":"\u003ch2\u003eFish S1 X domestic hot water storage tank\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVertical hot water storage tank for domestic hot water preparation.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe hot water contact surface with the storage tank is protected against corrosion by a layer of high-quality enamel and magnesium anode*.\u003cbr\u003eThis ensures, in accordance with DIN 4753, that the process water only comes into contact with a hygienically clean surface.\u003cbr\u003e\u003cbr\u003eDomestic hot water is heated by a smooth-tube water heat exchanger, which allows the connection of an external heat source such as... z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003ch3\u003eThermal insulation \u0026amp; Fish S1 X domestic hot water storage tank\u003c\/h3\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch3\u003eStandard equipment of the hot water storage tank\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eInspection opening, thermometer, socket for electric heating element, magnesium anode*,\u003c\/li\u003e  \u003cli\u003einternal heat exchanger.\u0026amp;nbsp;\u003c\/li\u003e  \u003cli\u003e*Optionally, a titanium anode can be used.\u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S1_X_Aufbau_3000_3000_480x480.webp?v=1755672941\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality\u003c\/strong\u003e Enamel coating and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature:\u003cstrong\u003e 95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInspection opening: \u003cstrong\u003eø122 mm\/ ø179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378493006172,"sku":"SS1200","price":599.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Fish_S_1_X_3.png?v=1782451498"},{"product_id":"brauchwasserspeicher-sunex-fish-s1-300-x-300-liter","title":"Hot water tank Fish S1","description":"\u003ch2\u003eFish S1 X domestic hot water storage tank\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVertical hot water storage tank for domestic hot water preparation.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe hot water contact surface with the storage tank is protected against corrosion by a layer of high-quality enamel and magnesium anode*.\u003cbr\u003eThis ensures, in accordance with DIN 4753, that the process water only comes into contact with a hygienically clean surface.\u003cbr\u003e\u003cbr\u003eDomestic hot water is heated by a smooth-tube water heat exchanger, which allows the connection of an external heat source such as... z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003ch3\u003eThermal insulation \u0026amp; Fish S1 X domestic hot water storage tank\u003c\/h3\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch3\u003eStandard equipment of the hot water storage tank\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eInspection opening, thermometer, socket for electric heating element, magnesium anode*,\u003c\/li\u003e  \u003cli\u003einternal heat exchanger.\u0026amp;nbsp;\u003c\/li\u003e  \u003cli\u003e*Optionally, a titanium anode can be used.\u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S1_X_Aufbau_3000_3000_480x480.webp?v=1755672941\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality\u003c\/strong\u003e Enamel coating and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature:\u003cstrong\u003e 95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInspection opening: \u003cstrong\u003eø122 mm\/ ø179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378499232092,"sku":"SS1300","price":699.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Fish_S_1_X_3.png?v=1782451498"},{"product_id":"brauchwasserspeicher-sunex-fish-s1-400-x-400-liter","title":"Hot water tank Fish S1","description":"\u003ch2\u003eFish S1 X domestic hot water storage tank\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVertical hot water storage tank for domestic hot water preparation.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe hot water contact surface with the storage tank is protected against corrosion by a layer of high-quality enamel and magnesium anode*.\u003cbr\u003eThis ensures, in accordance with DIN 4753, that the process water only comes into contact with a hygienically clean surface.\u003cbr\u003e\u003cbr\u003eDomestic hot water is heated by a smooth-tube water heat exchanger, which allows the connection of an external heat source such as... z.B.  Solar panels, heat pumps, boilers or optional electric heating elements are possible.\u003c\/p\u003e  \u003ch3\u003eThermal insulation \u0026amp; Fish S1 X domestic hot water storage tank\u003c\/h3\u003e  \u003cp\u003eThe thermal insulation in the storage tanks consists of a layer of CFC-free polyurethane rigid foam and a replaceable layer of PVC jacket.\u003c\/p\u003e  \u003ch3\u003eStandard equipment of the hot water storage tank\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eInspection opening, thermometer, socket for electric heating element, magnesium anode*,\u003c\/li\u003e  \u003cli\u003einternal heat exchanger.\u0026amp;nbsp;\u003c\/li\u003e  \u003cli\u003e*Optionally, a titanium anode can be used.\u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S1_X_Aufbau_3000_3000_480x480.webp?v=1755672941\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality\u003c\/strong\u003e Enamel coating and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature:\u003cstrong\u003e 95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInspection opening: \u003cstrong\u003eø122 mm\/ ø179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378508407132,"sku":"SS1400","price":939.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Fish_S_1_X_3.png?v=1782451498"},{"product_id":"sunex-fish-s16-warmepumpenspeicher-300-liter","title":"Hot water tank heat pump tank Sunex Fish S16","description":"\u003ch2\u003eHot water storage tank with 2 heat exchangers\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eSunex Fish S16 heat pump storage tank\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe storage has \u003cstrong\u003etwo large-area heat exchangers\u003c\/strong\u003e,  The upper heat exchanger is for the heat pump and the lower one is for, for example, solar collectors or a boiler.\u003c\/p\u003e  \u003cp\u003eThe inner surface of the storage tank is protected by a high-quality enamel coating and a magnesium anode.\u003cbr\u003eProtected against corrosion.\u003c\/p\u003e  \u003cp\u003eCompliance with DIN 4753 ensures that process water only comes into contact with a hygienically clean surface.\u003c\/p\u003e  \u003cdiv class=\"headingTop\"\u003e  \u003ch3 class=\"headingTop\"\u003eSunex hot water storage tank\u003c\/h3\u003e  \u003cdiv class=\"text\"\u003eA vertical domestic hot water storage tank used for hot water preparation. The tank features two large-surface heat exchangers. The upper heat exchanger can be used in conjunction with a heat pump, while the lower one is suitable for a solar thermal system or a boiler. To ensure protection against corrosion, the contact surfaces of the hot water storage tank are coated with a high-quality enamel and equipped with a magnesium anode. In this way, the tank meets the requirements of DIN 4753 and ensures that the domestic hot water comes into contact only with a hygienically clean surface.\u003c\/div\u003e  \u003cdiv class=\"text\"\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003ch3\u003eThe hot water storage tanks from SUNEX offer various advantages, including:\u003c\/h3\u003e  \u003col\u003e  \u003cli\u003e  \u003cb\u003eEnergy efficiency\u003c\/b\u003e:  The ability to use the storage tank with different heat exchangers in conjunction with different heat sources allows the storage tank to be used efficiently and thus saves energy.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eEnvironmental friendliness\u003c\/b\u003e:  By using renewable energy sources such as heat pumps or solar thermal systems, the domestic hot water storage tank can help reduce CO2 emissions and thus protect the environment.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eCompact design\u003c\/b\u003e: The S16 Due to its compact design, it saves space and can be easily installed in small rooms.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eHygienically clean process water\u003c\/b\u003e:  The use of high-quality materials and compliance with DIN 4753 standards ensures that the process water only comes into contact with a hygienically clean surface.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eCost savings\u003c\/b\u003e: Through the efficient use of energy sources and protection against corrosion, the domestic hot water storage tank can lead to long-term cost savings, as less maintenance and repairs are required and energy consumption is reduced.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003elongevity\u003c\/b\u003e: The high-quality enamel coating and the magnesium anode offer a high level of protection against corrosion, which extends the lifespan of the storage tank.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003ecomfort\u003c\/b\u003e: The storage tank always provides a sufficient amount of hot water, which increases comfort in the household and ensures that there are no shortages in the hot water supply.\u003c\/li\u003e  \u003cli\u003eThe described storage unit offers numerous advantages such as energy efficiency, durability, hygiene, flexibility, environmental friendliness, comfort, and cost savings. This is due to its high-quality coating and the possibility of using it with various heat sources and heat exchangers. It meets the requirements of DIN 4753 and can therefore contribute to a sustainable and reliable hot water supply.\u003c\/li\u003e  \u003c\/ol\u003e  \u003c\/div\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S16_X_Aufbau_3000_3000_480x480.webp?v=1755676890\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality \u003c\/strong\u003eEnamel layer and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cstrong\u003e95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening:\u003cstrong\u003e ø 122 mm\/ ø 179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378948743516,"sku":"SFI16300","price":1200.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-warmepumpenspeicher-sunex-fish-s16-7735019.webp?v=1770693159"},{"product_id":"sunex-fish-s16-warmepumpenspeicher-400-liter","title":"Hot water tank heat pump tank Sunex Fish S16","description":"\u003ch2\u003eHot water storage tank with 2 heat exchangers\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eSunex Fish S16 heat pump storage tank\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eThe storage has \u003cstrong\u003etwo large-area heat exchangers\u003c\/strong\u003e,  The upper heat exchanger is for the heat pump and the lower one is for, for example, solar collectors or a boiler.\u003c\/p\u003e  \u003cp\u003eThe inner surface of the storage tank is protected by a high-quality enamel coating and a magnesium anode.\u003cbr\u003eProtected against corrosion.\u003c\/p\u003e  \u003cp\u003eCompliance with DIN 4753 ensures that process water only comes into contact with a hygienically clean surface.\u003c\/p\u003e  \u003cdiv class=\"headingTop\"\u003e  \u003ch3 class=\"headingTop\"\u003eSunex hot water storage tank\u003c\/h3\u003e  \u003cdiv class=\"text\"\u003eA vertical domestic hot water storage tank used for hot water preparation. The tank features two large-surface heat exchangers. The upper heat exchanger can be used in conjunction with a heat pump, while the lower one is suitable for a solar thermal system or a boiler. To ensure protection against corrosion, the contact surfaces of the hot water storage tank are coated with a high-quality enamel and equipped with a magnesium anode. In this way, the tank meets the requirements of DIN 4753 and ensures that the domestic hot water comes into contact only with a hygienically clean surface.\u003c\/div\u003e  \u003cdiv class=\"text\"\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003ch3\u003eThe hot water storage tanks from SUNEX offer various advantages, including:\u003c\/h3\u003e  \u003col\u003e  \u003cli\u003e  \u003cb\u003eEnergy efficiency\u003c\/b\u003e:  The ability to use the storage tank with different heat exchangers in conjunction with different heat sources allows the storage tank to be used efficiently and thus saves energy.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eEnvironmental friendliness\u003c\/b\u003e:  By using renewable energy sources such as heat pumps or solar thermal systems, the domestic hot water storage tank can help reduce CO2 emissions and thus protect the environment.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eCompact design\u003c\/b\u003e: The S16 Due to its compact design, it saves space and can be easily installed in small rooms.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eHygienically clean process water\u003c\/b\u003e:  The use of high-quality materials and compliance with DIN 4753 standards ensures that the process water only comes into contact with a hygienically clean surface.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003eCost savings\u003c\/b\u003e: Through the efficient use of energy sources and protection against corrosion, the domestic hot water storage tank can lead to long-term cost savings, as less maintenance and repairs are required and energy consumption is reduced.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003elongevity\u003c\/b\u003e: The high-quality enamel coating and the magnesium anode offer a high level of protection against corrosion, which extends the lifespan of the storage tank.\u003c\/li\u003e  \u003cli\u003e  \u003cb\u003ecomfort\u003c\/b\u003e: The storage tank always provides a sufficient amount of hot water, which increases comfort in the household and ensures that there are no shortages in the hot water supply.\u003c\/li\u003e  \u003cli\u003eThe described storage unit offers numerous advantages such as energy efficiency, durability, hygiene, flexibility, environmental friendliness, comfort, and cost savings. This is due to its high-quality coating and the possibility of using it with various heat sources and heat exchangers. It meets the requirements of DIN 4753 and can therefore contribute to a sustainable and reliable hot water supply.\u003c\/li\u003e  \u003c\/ol\u003e  \u003c\/div\u003e  \u003cdiv class=\"headingContent\"\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Sunex_Fish_S16_X_Aufbau_3000_3000_480x480.webp?v=1755676890\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e  \u003cul\u003e  \u003cli\u003eMaterial: \u003cstrong\u003eS235JR\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eWelding: automatic welding\u003c\/li\u003e  \u003cli\u003eProtection: \u003cstrong\u003ehigh-quality \u003c\/strong\u003eEnamel layer and 2 sacrificial anodes\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure of the storage tank: \u003cstrong\u003e10 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum test pressure: \u003cstrong\u003e15 bar\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eMaximum operating temperature: \u003cstrong\u003e95ºC\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eInsulation: \u003cstrong\u003e50 mm\u003c\/strong\u003e thick polyurethane foam\u003c\/li\u003e  \u003cli\u003eHeat exchanger: \u003cstrong\u003eSteel pipe P235GH\u003c\/strong\u003e  \u003c\/li\u003e  \u003cli\u003eRevision opening:\u003cstrong\u003e ø 122 mm\/ ø 179 mm\u003c\/strong\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"Sunex","offers":[{"title":"Default Title","offer_id":57378952872284,"sku":"SFI16400","price":1500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-warmepumpenspeicher-sunex-fish-s16-7735019.webp?v=1770693159"},{"product_id":"gema-hygienespeicher-fks-500-470-l-edelstahlwellrohr-waermetauscher","title":"Hygiene storage tank with 2 heat exchangers – 400 liters","description":"\u003ch2\u003eFresh water – FKS hygienic combination storage tank: Legionella-safe drinking water heating\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water combination storage tank offers legionella-safe domestic hot water heating thanks to an integrated stainless steel corrugated pipe and combines the advantages of a boiler and an instantaneous water heater. It is suitable for operation with various heat generators such as solar thermal, oil\/gas, wood or pellet boilers, as well as heat pumps, and simultaneously allows for the supply of heating circuits.\u003c\/p\u003e  \u003ch3\u003eFunction and hygiene concept\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe wound inside the storage tank continuously heats fresh drinking water and reduces the need for domestic hot water storage, thus minimizing the risk of Legionella growth. The large surface area of ​​the stainless steel heat exchanger ensures high hot water output; a sacrificial anode is not required, making the storage tank maintenance-free.\u003c\/p\u003e  \u003ch3\u003eMaterials and workmanship\u003c\/h3\u003e  \u003cp\u003eThe tank is made of high-quality S235JRG2 steel according to DIN 4753\/EN 12897, and the domestic hot water heat exchanger is made of 1.4404 stainless steel corrugated tubing (Made in Germany). The tank has a raw interior and a primed exterior; the connections for the domestic hot water heat exchanger are located on the side.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cdiv class=\"se-component se-image-container __se__float-right\"\u003e  \u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/FKS_480_1560_3000_480x480.webp?v=1756205640\" alt=\"\" data-align=\"right\" data-file-name=\"FKS_480_1560_3000_480x480.webp?v=1756205640\" data-file-size=\"0\" data-origin=\",\" data-size=\",\" data-rotate=\"\" data-percentage=\"auto,auto\" style=\"margin-bottom: 16px; margin-left: 16px;\"\u003e\u003c\/figure\u003e  \u003c\/div\u003e  \u003cp\u003eOperating pressure of the tank up to max. 5 bar, operating pressure of the potable water heat exchanger up to max. 10 bar. Volume variants range from 200 to 2000 liters; models 200–400 L are equipped with one socket for an electric heating element, 600–2000 L have two sockets. An electric heating element can be easily retrofitted.\u003c\/p\u003e  \u003ch3\u003eConnections and integration\u003c\/h3\u003e  \u003cp\u003eAll connections are designed so that connected energy sources and appliances can be operated independently, thus minimizing control requirements. Additionally, no separate controller or pump is required for hot water preparation, simplifying installation.\u003c\/p\u003e  \u003ch3\u003eHeat exchanger and performance\u003c\/h3\u003e  \u003cp\u003eThe stainless steel corrugated pipe, used as a fresh water heat exchanger, offers high flow rates and efficiency due to its large surface area. An extra-large smooth-tube heat exchanger inside the tank is available for solar and heating system connections, ensuring efficient heat exchange between the heating and domestic hot water circuits.\u003c\/p\u003e  \u003ch3\u003eInsulation options\u003c\/h3\u003e  \u003cp\u003eSeveral insulation options are available: 100 mm EPS (efficiency class C), 130 mm EPS AirPor® (efficiency class B), and 150 mm PU super rigid foam (efficiency class A) for volumes of 600–1000 liters. All options have a silver-gray plastic casing with a sealing strip; the PU insulation is designed as a removable cover.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® polystyrene foam – properties\u003c\/h3\u003e  \u003cp\u003eEPS AirPor® insulation combines EPS with graphite additives for improved heat reflection, reduced heat loss, and therefore lower energy costs. It features a perfect fit, easy installation, 100% recyclability, and additional floor and lid insulation; thermal conductivity according to DIN EN 12667: 0.0316 W\/mK.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU super rigid foam insulation offers very good insulating properties (thermal conductivity 0.023 W\/mK), a fleece lamination to prevent convection, and a robust, removable shell with a PS casing in RAL 9006. This variant achieves energy efficiency class A and is also recyclable.\u003c\/p\u003e  \u003ch3\u003eAdvantages and operating costs\u003c\/h3\u003e  \u003cp\u003eThe combination of efficient thermal insulation, a high-quality stainless steel heat exchanger, and low water storage reduces heat loss and operating costs. EPS AirPor® can achieve up to 30% less loss compared to conventional insulation, resulting in lower energy costs and improved long-term performance.\u003c\/p\u003e  \u003ch3\u003eInstallation, maintenance and safety\u003c\/h3\u003e  \u003cp\u003eInstallation is simple: connections are self-explanatory, a pump or controller for hot water preparation is not required, and electric heating elements can be retrofitted. The absence of sacrificial anodes eliminates the need for routine anode replacement; the storage tank is therefore virtually maintenance-free.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe FKS is universally applicable in single-family homes, multi-family dwellings, commercial buildings, and applications with combined heat sources, especially where hygienic domestic hot water preparation and flexible system integration are required. It is particularly suitable for systems with solar thermal support and multiple heat generators.\u003c\/p\u003e  \u003ch3\u003eSummary\u003c\/h3\u003e  \u003cp\u003eThe FKS fresh water hygienic combination storage tank combines hygienic fresh water technology, flexible connection options, and efficient insulation variants in a low-maintenance system. Robust materials, easy installation, and high energy efficiency make it a practical solution for modern hot water and heating systems.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHygienic storage tank with 2 heat exchangers of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; Operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100mm","offer_id":58132652196188,"sku":"FKS500+EEKC","price":1543.0,"currency_code":"EUR","in_stock":true},{"title":"130mm","offer_id":58132652228956,"sku":"FKS500+EEKB","price":1657.0,"currency_code":"EUR","in_stock":true},{"title":"150 mm","offer_id":58132662780252,"sku":"FKS500+EEKA","price":1774.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Hygienespeicher_mit_1_Waermetauscher.png?v=1782221015"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-100-105-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58149599969628,"sku":"PSTW-069-10-001","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Kautschukmatte","offer_id":58149600002396,"sku":"PSTW-069-10-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-150-147-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58155060363612,"sku":"PSTW-069-15-001","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Kautschukmatte","offer_id":58155060396380,"sku":"PSTW-069-15-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-220-222-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58155071242588,"sku":"PSTW-069-22-001","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Kautschukmatte","offer_id":58155071275356,"sku":"PSTW-069-22-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-250-262-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58155124228444,"sku":"PSTW-069-25-001","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Kautschukmatte","offer_id":58155124261212,"sku":"PSTW-069-25-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-300-318-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58155990253916,"sku":"PSTW-069-03-001","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Kautschukmatte","offer_id":58155990286684,"sku":"PSTW-069-03-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"pufferspeicher-elektromet-wgj-b-pstw-400-433-liter","title":"Heating water buffer tank 500 liters","description":"\u003ch2\u003eWGJ-B PSTW 500 buffer storage tank for heating water: high-performance heat storage for heating systems\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe WGJ-B PSTW 500 buffer storage tank is a robust, steel-walled tank for receiving, storing, and controlled release of heating water or other liquids compatible with steel. It acts as a buffer between heat generators (e.g., central boilers, solar collectors, heat pumps) and the heating circuit, compensating for fluctuations in output and protecting the heating system.\u003c\/p\u003e  \u003cp\u003eThe storage tank has a nominal volume of 498 dm³ and is designed for a maximum operating pressure of 0.3 MPa. The interior of the tank is unfinished, while the exterior is painted to prevent corrosion.\u003c\/p\u003e  \u003ch3\u003eConstruction and materials\u003c\/h3\u003e  \u003cp\u003eThe tank is made of black sheet steel; insulation is provided either by polystyrene foam or a rubber mat permanently attached to the tank walls. The insulation is protected by a skay-coated outer jacket.\u003c\/p\u003e  \u003cp\u003ePlease note: Removing the insulation permanently attached to the pressure vessel will void the product warranty. The shell surface is made of a rock-like material.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications (brief overview)\u003c\/h3\u003e  \u003cp\u003eVolume: 498 dm³. Pipe connections: Heating element\/connection MG\/KP 1 1\/2”, temperature sensor CT ⅜”, drain ZS ¾”. Standby losses (polystyrene foam): approx. 52–72 W, with rubber mat: approx. 47–65 W (depending on model).\u003c\/p\u003e  \u003cp\u003eWeight: 120 kg. Maximum operating parameters: pressure pr = 0.3 MPa; temperature ranges depending on insulation: with polystyrene foam tr min = 15 °C to tr max = 80 °C, with rubber mat tr min = 5 °C to tr max = 70 °C.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe storage tank is designed for central heating systems, combinations with solar thermal systems, heat pump systems, and as an intermediate storage tank for boiler systems. It is suitable wherever excess heat needs to be temporarily stored and released as required.\u003c\/p\u003e  \u003ch3\u003eSafety regulations\u003c\/h3\u003e  \u003cp\u003eOperation in closed heating systems is only permitted with a functioning safety valve (opening pressure 0.3 MPa). Ideally, this valve should be installed in the heating water return line and must not be separated from the tank by shut-off valves. A functioning safety valve may exhibit intermittent water release – a blocked outlet must be strictly avoided.\u003c\/p\u003e  \u003cp\u003eUse without a safety valve or with a defective valve is prohibited, as this can lead to damage or hazards. When using safety valves that return water to the supply network, the downstream system must be able to withstand temperatures up to +90 °C at a distance of at least 5 m.\u003c\/p\u003e  \u003ch3\u003eInstallation and connection\u003c\/h3\u003e  \u003cp\u003eConnecting the safety valve to the cold water supply is mandatory; the arrow marking on the valve body must indicate the flow direction. No shut-off valves may be installed between the safety valve and the tank. Repairs to the water system may only be carried out by qualified personnel.\u003c\/p\u003e  \u003ch3\u003eElectric heating: Installation and instructions\u003c\/h3\u003e  \u003cp\u003eDuring the warranty period, only electric heating elements with insulated heating components may be used (e.g., type EJK from ZUG ELEKTROMET). Installation and connection must be carried out in accordance with the respective installation and operating instructions for the electric heater. Single-phase heating elements (230 V) are available in power ratings of 1.5\/2.0\/3.0 kW; three-phase versions (400 V) are available in 3.0\/4.5\/6.0 kW.\u003c\/p\u003e  \u003cp\u003eSingle-phase heaters must be connected to a grounded 230 V\/16 A socket. The power plug must not be inserted until the storage tank is completely filled with water. Three-phase heating elements must be connected by a qualified electrician according to the wiring diagram.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operation\u003c\/h3\u003e  \u003cp\u003eCheck the correct function of the safety valve at least once a month and before each restart. Maintenance and repair work must only be carried out by qualified personnel to avoid compromising operational safety and warranty claims.\u003c\/p\u003e  \u003cp\u003eIn case of visible leaks, unusual noises, or abnormal pressure fluctuations, immediately shut down the system and have it inspected by a qualified technician. Observe the manufacturer's instructions for electric heaters and the guidelines for filling and draining procedures.\u003c\/p\u003e  \u003ch3\u003eWarranty and safety information\u003c\/h3\u003e  \u003cp\u003eThe manufacturer reserves the right to make structural changes as part of product modernization, and these may not necessarily be reflected in the manual. Any tampering with safety-relevant components, such as removing insulation or making improper electrical modifications, will void the warranty.\u003c\/p\u003e  \u003cp\u003eOperation outside the specified pressure and temperature limits is not permitted. Ensure compliance with the prescribed operating parameters and consult qualified personnel if you have any questions.\u003c\/p\u003e","brand":"Elektromet","offers":[{"title":"Polystyrolschaum","offer_id":58155995824476,"sku":"PSTW-069-04-001","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"Kautschukmatte","offer_id":58155995857244,"sku":"PSTW-069-04-002","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/WJGBPTSW.png?v=1782604404"},{"product_id":"pufferspeicher-schoenberg-epsr-200-222-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58168352342364,"sku":"EPSR200+EEKC","price":339.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58168352473436,"sku":"EPSR200+EEKB","price":435.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-300-319-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58168385077596,"sku":"EPSR300+EEKC","price":599.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58168385208668,"sku":"EPSR300+EEKB","price":695.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-400-396-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58168389435740,"sku":"EPSR400+EEKC","price":625.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58168389632348,"sku":"EPSR400+EEKB","price":719.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-500-470-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58168484036956,"sku":"EPSR500+EEKC","price":0.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58168484168028,"sku":"EPSR500+EEKB","price":0.0,"currency_code":"EUR","in_stock":true},{"title":"150 mm","offer_id":58168484430172,"sku":"EPSR500+EEKA","price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-600-551-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58168517001564,"sku":"EPSR600+EEKC","price":685.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58168517198172,"sku":"EPSR600+EEKB","price":782.0,"currency_code":"EUR","in_stock":true},{"title":"150 mm","offer_id":58168517296476,"sku":"EPSR600+EEKA","price":929.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-800-714-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58168535122268,"sku":"EPSR800+EEKC","price":729.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58168535155036,"sku":"EPSR800+EEKB","price":825.0,"currency_code":"EUR","in_stock":true},{"title":"150 mm","offer_id":58168538825052,"sku":"EPSR800+EEKA","price":975.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-1000-889-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58169041191260,"sku":"EPSR1000+EEKC","price":775.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58169041322332,"sku":"EPSR1000+EEKB","price":871.0,"currency_code":"EUR","in_stock":true},{"title":"150 mm","offer_id":58169041453404,"sku":"EPSR1000+EEKA","price":1025.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-1500-1388-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58169056657756,"sku":"EPSR1500+EEKC","price":1219.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58169056723292,"sku":"EPSR1500+EEKB","price":1312.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"},{"product_id":"pufferspeicher-schoenberg-epsr-2000-1976-liter-waermetauscher","title":"Energy - buffer memory with 1 heat exchanger","description":"\u003ch2\u003eBuffer storage with 1 heat exchanger for heating, solar and CHP systems\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eRobust buffer storage tank made of high-quality S235JRG2 steel, manufactured according to DIN 4753 and EN 12897, with a permanently welded smooth-tube heat exchanger. The storage tank is raw inside and primed outside, sits on a stable base ring, and offers sufficient socket connections for flexible use in heating, solid fuel, solar, and combined heat and power systems.\u003c\/p\u003e  \u003ch3\u003eTechnical features\u003c\/h3\u003e  \u003cdiv style=\"text-align: right;\"\u003e\u003cimg style=\"margin-bottom: 16px; margin-left: 16px; float: right;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/epsr11_1549_3000_480x480.webp?v=1756192522\"\u003e\u003c\/div\u003e  \u003cp\u003eThe buffer tank's sleeves are arranged at a 90° angle, facilitating easy installation and the combination of multiple tanks. Operating pressure: up to 1000 liters, max. 5 bar, up to 2000 liters, max. 3 bar. Volume variants and the number of sleeves are tailored to the application: 200–400 liters with one sleeve for an electric heating cartridge, 600–2000 liters with two sleeves.\u003c\/p\u003e  \u003ch3\u003eInsulation variants\u003c\/h3\u003e  \u003cp\u003eChoose from several insulation options: 100 mm STS EPS (efficiency class C), 130 mm STS EPS AirPor® (efficiency class B), or 150 mm PU super rigid foam insulation (efficiency class A) with a plastic sheath and sealing strip. The insulation is dimensionally stable, easy to install, and ensures optimized layering and reduced heat loss.\u003c\/p\u003e  \u003ch3\u003eEPS AirPor® grey insulation\u003c\/h3\u003e  \u003cp\u003eThe modern EPS AirPor® insulation combines polystyrene foam with a graphite blend for improved heat reflection. The 130 mm version (110 mm EPS + 20 mm fleece) achieves efficiency class B, while the 100 mm version (80 mm EPS + 20 mm fleece) achieves efficiency class C. Advantages include up to 30% lower heat loss compared to conventional insulation materials, a perfect fit, and additional floor and roof insulation.\u003c\/p\u003e  \u003ch3\u003ePU super rigid foam insulation\u003c\/h3\u003e  \u003cp\u003eThe 150 mm PU combination insulation (150 mm PU + 10 mm polyester fiber fleece) offers excellent insulation values ​​and energy efficiency class A. The fleece lamination prevents convection on the container wall and lid. The insulation is removable and allows for easy installation in all temperature conditions. Thermal conductivity according to DIN EN 12667: 0.023 W\/mK, fire protection class DIN 4102: B2.\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eHigh-quality materials, a permanently integrated smooth-tube heat exchanger, and precisely fitting insulation minimize heat loss and reduce operating costs. The combination of easy installation, robust construction, and recyclability of the insulation materials makes the storage tank economical and sustainable.\u003c\/p\u003e  \u003ch3\u003eAssembly and connection\u003c\/h3\u003e  \u003cp\u003eThe 90° arrangement of the sleeves facilitates installation and the serial connection of multiple buffer tanks. Plug-in sealing strips and dimensionally stable insulation shorten installation times; retrofitting electric heating cartridges is easy for the sizes with sleeves. For optimal design, we recommend consulting your heating specialist.\u003c\/p\u003e  \u003ch3\u003eAreas of application and recommendation\u003c\/h3\u003e  \u003cp\u003eIdeal for heating backup, solar domestic hot water heating, solid fuel systems, and combined heat and power (CHP) plants. The buffer storage tank is suitable for both new installations and modernization projects where energy efficiency and easy integration into existing systems are required.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eEnergy - buffer storage with 1 heat exchanger of your choice\u003c\/li\u003e  \u003cli\u003eincluding selected insulation\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; operating instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Schönberg","offers":[{"title":"100 mm","offer_id":58169167544668,"sku":"EPSR2000+EEKC","price":1554.0,"currency_code":"EUR","in_stock":true},{"title":"130 mm","offer_id":58169167577436,"sku":"EPSR2000+EEKB","price":1649.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/EPSR.png?v=1782825455"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/collections\/solarspeicher_kategoriebild.jpg?v=1778065153","url":"https:\/\/be.gemashop.de\/en\/collections\/solarspeicher.oembed","provider":"GEMA Shop","version":"1.0","type":"link"}