{"product_id":"gema-mdc-400-heizmodul-4-5-kw-400-v-defro-deh34","title":"GEMA MDC 400 heating module with DEFRO DEH34 heating element 4.5 kW 400 V","description":"\u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eProduct Overview \u0026amp; Application Areas\u003c\/h2\u003e \u003cp\u003eThe GEMA MDC 400 heating module with DEFRO DEH34 heating element 4.5 kW 400 V is a coordinated bundle for additional heat input into central heating systems. It combines the Elektromet MDC 400 heating module with a matching DEFRO ZGTi screw-in heating element in the 4.5 kW performance variant.\u003c\/p\u003e \u003cp\u003eThe bundle is suitable for heating heating water in open or closed central heating systems with appropriate safety devices. Typical application areas include supplementary heating, frost protection support, emergency heat support, or the use of surplus electricity to introduce heat into the heating circuit.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eTechnology \u0026amp; Equipment\u003c\/h2\u003e \u003cp\u003eThe MDC 400 module is designed as an electric flow heater or heating module for central heating systems. It features a steel tank with 50 mm polyurethane foam thermal insulation, a plastic outer casing, and an ABS plastic lid.\u003c\/p\u003e \u003cp\u003eThe DEFRO DEH34 heating element belongs to the ZGTi series with controller and thermostat. The 4.5 kW version operates at 400 V \/ 3 x 230 V, has a 1 1\/2-inch connection thread, temperature control from 30 to 75 °C, a safety temperature limiter at 98 °C, and protection class IP55.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eEveryday Benefits\u003c\/h2\u003e \u003cp\u003eThe bundle enables electric supplementary heat directly in the heating circuit and can support existing heat generators such as solid fuel boilers, fireplace systems with water jacket, gas or oil boilers, as well as heat pumps.\u003c\/p\u003e \u003cp\u003eBy combining the heating module and the matching electric heating cartridge, the separate selection of the central components is eliminated. Operators receive a clearly assignable solution with 4.5 kW output for systems where the hydraulic and electrical integration is professionally planned.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eSystem Integration \u0026amp; Compatibility\u003c\/h2\u003e \u003cp\u003eThe MDC 400 module is integrated into a parallel heating circuit on the flow or return line of the main heat source. The heating circuit connection of the module is designed as an internal thread G 1 1\/4, and the socket for the electric heating cartridge as an internal thread G 1 1\/2.\u003c\/p\u003e \u003cp\u003eThe medium is water or a glycol mixture suitable for heating systems with a concentration of up to 50%. For operation, the required minimum flow rate must be ensured; at 4.5 kW, this is 257 l\/h.\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 \u003cp\u003eThe following information refers to the specific bundle consisting of the MDC module and the matching electric heating cartridge.\u003c\/p\u003e \u003ctable class=\"product-th__table\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eBase module\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eElektromet MDC 400\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating element in the bundle\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eDEFRO ZGTi DEH34\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eRated power\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e4.5 kW\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003ePower consumption\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e4,500 W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eVoltage\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e400 V \/ 3 x 230 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eConnection type\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e5-core connection cable, 1.5 mm², without plug\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eModule connection heating circuit\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eFemale thread G 1 1\/4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating cartridge connection module\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eFemale thread G 1 1\/2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating rod installation length\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e350 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eUnheated area\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e100 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating rod temperature control\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e30 to 75 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eSafety temperature limiter\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e98 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eHeating rod protection class\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eIP55\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMedium\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003eWater or suitable glycol mixture up to max. 50%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMinimum flow rate\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e257 l\/h, approx. 4.28 l\/min\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMax. operating pressure module\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e1.0 MPa \/ 10 bar\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eMax. operating temperature module\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e90 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"product-th__label\"\u003eDevice length module\u003c\/td\u003e \u003ctd class=\"product-th__value\"\u003e600 mm\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eInstallation\u003c\/h2\u003e \u003cp\u003eThe heating module is hydraulically integrated into the parallel heating circuit. The system must be completely filled, vented, and checked for leaks before the electrical supply is activated.\u003c\/p\u003e \u003cp\u003eInstallation, electrical connection, fusing, protective measures, and recommissioning may only be carried out by qualified professionals. An additional circulation pump is required to ensure that the minimum flow rate of 257 l\/h at 4.5 kW is reliably achieved.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eNotes\u003c\/h2\u003e \u003cp\u003eOperation without water is not permitted. The heating element must not be operated dry, and the housing of the heating cartridge must not be covered or thermally insulated.\u003c\/p\u003e \u003cp\u003eA functional safety valve with the appropriate opening pressure is required. The selection of power, hydraulic integration, and electrical sizing do not replace proper system planning.\u003c\/p\u003e \u003c\/div\u003e \u003cdiv class=\"gema-section\"\u003e \u003ch2\u003eScope of delivery\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eMDC 400 heating module\u003c\/li\u003e \u003cli\u003eDEFRO ZGTi screw-in heating element DEH34, 4.5 kW\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Gema GmbH","offers":[{"title":"Default Title","offer_id":58079517475164,"sku":"MDC400+DEH34","price":430.52,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/durchlauferhitzer-notheizung-mdc-400p-inkl-elektroheizstab-9-kw-4897799.webp?v=1770692302","url":"https:\/\/ie.gemashop.de\/products\/gema-mdc-400-heating-module-4-5-kw-400-v-defro-deh34","provider":"GEMA Shop","version":"1.0","type":"link"}