{"product_id":"waermepumpenspeicher-vaillant-sunex-fish-s15-300-x-300-liter","title":"Vaillant SUNEX FISH S15 300 X heat pump storage tank, 300 liters","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Application Area\u003c\/h2\u003e \u003cp\u003eThe Vaillant SUNEX FISH S15 300 X is a floor-standing hot water tank in the 300-liter class for combination with heat pumps. It is used for heating and storing domestic hot water in closed drinking water installations and is intended for vertical installation in the utility room.\u003c\/p\u003e \u003cp\u003eThe Vaillant version with the factory number 8000021079 is based on the SUNEX FISH S15 300 X and combines a coiled tube heat exchanger tailored to heat pump systems with a compact floor-standing tank design.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe tank operates as a monovalent, indirectly heated hot water tank. The integrated smooth-tube coil has a large heat transfer surface and supports domestic hot water preparation in heat pump systems.\u003c\/p\u003e \u003cp\u003eThe equipment includes high-quality enameling on the water side, a coiled tube heat exchanger, a cleaning flange, a circulation connection, a magnesium sacrificial anode, a tank temperature display, a removable tank jacket, and rigid polyurethane foam insulation.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eThe Vaillant SUNEX FISH S15 300 X provides a practical hot water reserve for heat pump systems. The 300-liter class is particularly suitable for installations where a larger domestic hot water demand is to be covered with a floor-standing tank.\u003c\/p\u003e \u003cp\u003eThe cleaning opening, circulation connection, and temperature display support operation, maintenance, and integration into the existing domestic hot water installation. The floor-standing design facilitates clear hydraulic assignment in the utility room.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe heat pump circuit is connected via the integrated coil heat exchanger. The flow and return connections are designed for integration into a suitable heat pump system.\u003c\/p\u003e \u003cp\u003eFor the domestic hot water side, cold water and hot water connections as well as a circulation connection are available. The specific integration must match the heat pump, the control system, the flow rate, and the domestic hot water installation.\u003c\/p\u003e \u003c\/div\u003e \u003cstyle\u003e .product-th{margin-top:2rem}.product-th h2{margin:0 0 1rem}.product-th__table{width:100%;border-collapse:separate;border-spacing:0}.product-th__table td{padding:.95rem 1rem;vertical-align:top}.product-th__label{font-weight:700;width:38%;color:#213670}.product-th__value{color:#1f2937}.product-th__table tr:nth-child(odd) td{background:#f4f7fb}.product-th__table tr:nth-child(even) td{background:#fafbfd} \u003c\/style\u003e \u003cdiv class=\"product-th\"\u003e \u003ch2\u003eTechnical data at a glance\u003c\/h2\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eVaillant\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eModel\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eSUNEX FISH S15 300 X\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eFactory number \/ MPN\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e8000021079\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eEAN\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e5904978647005\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eProduct type\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eHeat pump storage tank \/ hot water storage tank\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eNominal capacity\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e300 l\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eStorage capacity \/ ErP storage volume\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e276 l\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eEnergy efficiency class\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eNumber of heat exchangers\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eHeat exchanger surface area\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e3.2 m²\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eContinuous DHW output\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e83 kW \/ 2010 l\/h\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eDHW output capacity\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e335 l \/ 10 min\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eMaximum operating pressure\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e10 bar\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eMax. storage temperature\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e95 °C\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eInsulation\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003erigid polyurethane foam thermal insulation\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eHeight \/ Width \/ Depth\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e1472 \/ 657 \/ 707 mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eTipping dimension\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e1578 mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e131 kg\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eInstallation\u003c\/h2\u003e \u003cp\u003eThe storage tank is designed for stationary, vertical installation on a load-bearing, level and frost-free surface. Installation, commissioning and maintenance must be carried out by qualified specialist personnel.\u003c\/p\u003e \u003cp\u003eThe cold water inlet must be equipped with a safety valve, backflow preventer, shut-off valve and drainage option. If the supply pressure is elevated, a suitable pressure reducer must be provided.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eThe storage tank must not be operated when empty. Accessories such as electric heating elements, temperature sensors or other system components may only be used if they are suitable for the system and after professional inspection.\u003c\/p\u003e \u003cp\u003eThe sacrificial anode, safety group, connections and tightness should be checked as part of regular maintenance. The specific configuration does not replace system planning.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eVaillant SUNEX FISH S15 300 X heat pump storage tank, 300-liter class\u003c\/li\u003e \u003cli\u003eOperating instructions\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Sunex","offers":[{"title":"Προεπιλεγμένος Τίτλος","offer_id":48736502382940,"sku":"SunexS15300","price":980.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/warmwasserspeicher-sunex-fish-s15-mit-1-wt-wie-vaillant-8000021079-3997402.png?v=1770692839","url":"https:\/\/cy.gemashop.de\/en\/products\/waermepumpenspeicher-vaillant-sunex-fish-s15-300-x-300-liter","provider":"GEMA Shop","version":"1.0","type":"link"}