{"product_id":"defro-dbo-400-waermespeicher-waermetauscher-400-liter","title":"Defro DBO 400 heat storage tank with 4.5 m² heat exchanger – 400 liters","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Application Area\u003c\/h2\u003e \u003cp\u003eThe Defro DBO 400 is a floor-standing, thermally insulated thermal storage tank with a nominal volume of 400 liters and an integrated heat exchanger. It is used to absorb, temporarily store, and release thermal energy as needed within professionally planned heating systems.\u003c\/p\u003e \u003cp\u003eThe 400-liter version combines an increased storage volume with a heat exchanger surface area of 4.5 m². The tank volume is intended for heating water or a suitable neutral heat transfer medium and is not approved for the direct storage of potable water.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe integrated heat exchanger has a surface area of 4.5 m² and a capacity of 23.5 liters. A heat exchanger output of 100.0 kW and a flow rate of 2,350 liters per hour are specified. The actual transferable output depends on the media used, system temperatures, flow rate, and hydraulic integration.\u003c\/p\u003e \u003cp\u003eMultiple side connection positions allow for flexible hydraulic integration. Sensor connections at different storage heights support temperature detection and control. A separate sleeve can be used for an optional electric heating element if the design is suitable.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eThe floor-standing cylindrical design allows a storage volume of 400 liters to be accommodated in a clearly defined footprint. The removable thermal insulation facilitates installation and limits heat losses during operation.\u003c\/p\u003e \u003cp\u003eDifferent connection and sensor positions make it easier to adapt to the respective system concept. Energy efficiency class C and a standby heat loss of 106.9 watts characterize the energy properties of the 400-liter version.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe Defro DBO 400 is intended for thermal energy storage within closed heating systems. It can be combined with suitable heat generators, provided that the storage volume, heat exchanger, flow rate, temperatures, and pressure conditions match the planned system.\u003c\/p\u003e \u003cp\u003eThe specific media routing, the assignment of the heat exchanger, and the position of the hydraulic connections must be checked prior to installation based on the delivered version. The technical performance data do not replace thermal or hydraulic system planning.\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\"\u003eNominal volume\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e400 liters\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\"\u003eMaximum temperature\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e90 °C\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\"\u003e3 bar\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eHeight\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e1,543 mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eOuter diameter including insulation\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e825 mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eTank diameter\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003e642 mm\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eEmpty weight\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eapprox. 86 kg\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd class=\"product-th__label\"\u003eSuitable for drinking water\u003c\/td\u003e\n\u003ctd class=\"product-th__value\"\u003eNo, not for direct potable water storage\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\u003eTransport, setup, hydraulic connection and initial commissioning must be carried out by qualified specialist personnel. The storage tank must be installed vertically on a level, dry, frost-free and permanently load-bearing surface.\u003c\/p\u003e \u003cp\u003eWhen the storage tank is completely full, a minimum load of approximately 486 kg must be expected without additional attachments. The safety valve, expansion vessel, venting, drainage and pipe sizing must be designed to suit the entire system.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eThe maximum operating pressure of 3 bar and the maximum medium temperature of 90 °C must not be exceeded. No shut-off device or cross-section reduction may be installed between the storage tank and the safety valve.\u003c\/p\u003e \u003cp\u003eThe specified heat exchanger output depends on the respective operating conditions. Before installation and commissioning, the model, connection design, media routing and operating limits must be checked on the type plate.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1 × Defro DBO 400 heat storage tank\u003c\/li\u003e \u003cli\u003eThermal insulation and outer cladding according to delivery configuration\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Defro","offers":[{"title":"Προεπιλεγμένος Τίτλος","offer_id":58285984055644,"sku":"DBWSWP400","price":1520.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/DBO.png?v=1784105549","url":"https:\/\/cy.gemashop.de\/en\/products\/defro-dbo-400-waermespeicher-waermetauscher-400-liter","provider":"GEMA Shop","version":"1.0","type":"link"}