{"title":"Heat pump accessories","description":"\u003ch2\u003eAccessories for heat pumps: Extensive selection for efficient operation\u003c\/h2\u003e\u003ch3\u003eOverview and meaning of additional accessories\u003c\/h3\u003e\u003cp\u003eHeat pumps are central components of modern heating and cooling systems, but choosing the right accessories often determines efficiency, longevity, and comfort. Complementary components support operation, improve controllability, and ensure that the system runs stably and reliably for years. A well-designed accessory package can also reduce installation time and simplify maintenance, saving costs in the long run. This section provides a concise introduction to the most important product groups and explains what to consider when combining the unit and accessories.\u003c\/p\u003e","products":[{"product_id":"vaillant-vr-71-zusatzmodul","title":"Vaillant VR 71 additional module","description":"\u003ch2\u003eVaillant VR 71 Additional Module\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eAdditional module VR 71 for expanding the multiMATIC 700 and sensoCOMFORT 720\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cdiv class=\"relative ml-[60px] mb-2 mt-1 text-[16px] font-semibold before:absolute before:absolute before:top-[50%] before:left-[-50px] before:translate-y-[-50%] before:content-[url('\/images\/produktdetailseite\/weitere-hinweise.svg')]\"\u003e\u003cstrong\u003eImportant instructions\u003c\/strong\u003e\u003c\/div\u003e  \u003cdiv class=\"flex flex-col text-[16px] text-gray-dark sm:ml-[60px]\"\u003e  \u003cdiv\u003eIn combination with sensoCOMFORT, the Vaillant VR 71 module should be used as the first expansion module.\u003c\/div\u003e  \u003c\/div\u003e  \u003cp\u003e\u003c\/p\u003e  \u003ch3\u003e\u003cstrong\u003eProduct benefits:\u003c\/strong\u003e\u003c\/h3\u003e  \u003cp\u003e\u003cstrong\u003e  \u003c\/strong\u003e\u003cb\u003eAdditional module VR 71\u003c\/b\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eFlexible expansion module\u003c\/li\u003e  \u003cli\u003eVR 71 mixer and solar module for controlling 3 mixer circuits and solar functions\u003c\/li\u003e  \u003cli\u003eIntegration of 2 remote control devices possible\u003c\/li\u003e  \u003cli\u003eeBUS interface - Class 8 controllers according to ErP possible\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003e  \u003cstrong\u003eEquipment: \u003c\/strong\u003e\u003cb\u003eVaillant VR 71 Additional Module\u003c\/b\u003e  \u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eMixer and solar module\u003c\/li\u003e  \u003cli\u003eStandard sensor VR 10 (4)\u003c\/li\u003e  \u003cli\u003eCollector sensor VR 11 (1) usable for multiMATIC 700\/4, 700f\/4 and VRC 700\/5\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47229913071964,"sku":"0020184846","price":359.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-vr-71-zusatzmodul-1571340.jpg?v=1770693548"},{"product_id":"vwz-ai-warmepumpen-steuerungssystem","title":"Vaillant VWZ AI heat pump control system","description":"\u003ch2\u003eVaillant VWZ AI heat pump control system\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVAILLANT heat pump control system VWZ AI for air\/water heat pump aroTHERM plus\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eApplications: can be used with aroTHERM plus VWL z.B. for the expansion of an existing heating system to a hybrid system.\u003c\/p\u003e  \u003ch3\u003e\u003cstrong\u003eequipment\u003c\/strong\u003e\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e2 sensors VR 10\u003c\/li\u003e  \u003cli\u003e1 mounting accessories (screws, dowels)\u003c\/li\u003e  \u003cli\u003e1 installation manual\u003c\/li\u003e  \u003cli\u003eDIA system with plain text display illuminated\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47229978542428,"sku":"0010031643","price":334.23,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-vwz-ai-warmepumpen-steuerungssystem-2770750.jpg?v=1770693086"},{"product_id":"vr-32-3-modulierender-buskoppler","title":"Vaillant VR 32\/3 modulating bus coupler","description":"\u003ch2\u003eVaillant VR 32\/3 modulating bus coupler \u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003e Vaillant VR 32\/3 modulating bus coupler eBUS Can be used for multiMATIC 700 and senoCOMFORT\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eA notice:\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eFrom the second heat generator onward, the use of a bus coupler is required. The bus coupler can be used with flexoTHERM heat pumps, recoVAIR, and devices with eBUS electronics.\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47230287184220,"sku":"0020139895","price":137.97,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-vr-323-modulierender-buskoppler-3016940.jpg?v=1770693441"},{"product_id":"sensocomfort-vrc-720-3","title":"Vaillant heating controller sensoCOMFORT VRC 720\/3","description":"\u003ch2\u003eVaillant heating controller sensoCOMFORT VRC 720\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eSpecial features of the Vaillant heating controller\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eWeather-compensated eBUS controller with TFT graphic display\u003c\/li\u003e  \u003cli\u003eConvenient app control for Android and iOS (internet module required)\u003c\/li\u003e  \u003cli\u003eDigital plant management myVAILLANT Pro (Internet module required)\u003c\/li\u003e  \u003cli\u003eFast commissioning and system configuration through guided questions in the new installation wizard\u003c\/li\u003e  \u003cli\u003eCan be used without additional modules for hot water preparation (storage tank charging) and an unregulated heating circuit\u003c\/li\u003e  \u003cli\u003eModularly expandable with VR 71 and VR 70\u003c\/li\u003e  \u003cli\u003eHumidity sensor control for humidity protection during cooling operation\u003c\/li\u003e  \u003cli\u003eIntegrated control of Vaillant ventilation units recoVAIR\u003c\/li\u003e  \u003cli\u003eIntegrated control of hybrid systems\u003c\/li\u003e  \u003cli\u003eCascade connection of up to 7 conventional (gas\/oil) eBUS heat generators of the same type and output\u003c\/li\u003e  \u003cli\u003eCascade connection of up to 7 heat pumps (flexoTHERM or aroTHERM) of the same type and output. An additional heating unit (eBUS-enabled heating unit) can also be integrated.\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eProduct features: \u003c\/strong\u003e\u003cb\u003eVaillant heating controller sensoCOMFORT VRC 720\/3\u003c\/b\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eAdaptive heating curve\u003c\/li\u003e  \u003cli\u003eRoom temperature control for flow temperature adjustment\u003c\/li\u003e  \u003cli\u003eWeekly planner for heating, cooling, hot water and circulation\u003c\/li\u003e  \u003cli\u003eAbsence function\u003c\/li\u003e  \u003cli\u003eventilation function\u003c\/li\u003e  \u003cli\u003eThermal disinfection\u003c\/li\u003e  \u003cli\u003eLegionella protection function for bivalent solar storage systems\u003c\/li\u003e  \u003cli\u003eFlexible screed drying function\u003c\/li\u003e  \u003cli\u003eDisplay of solar yield, environmental yield and electricity consumption\u003c\/li\u003e  \u003cli\u003eEEBus Ready (Internet module required)\u003c\/li\u003e  \u003cli\u003eKNX (ise smart connect requires a Vaillant Gateway. Available from ise GmbH)\u003c\/li\u003e  \u003cli\u003eTouch controls\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47233834156380,"sku":"10045478","price":608.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-heizungsregler-sensocomfort-vrc-7203-1962987.jpg?v=1770692890"},{"product_id":"vrc-9642-anlegethermostat","title":"VRC 9642 mug thermostat | With switch -on contact and clamping band attachment","description":"\u003ch2\u003eVAILLANT VRC 9642 contact thermostat - with changeover contact and clamping band fastening\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVAILLANT VRC 9642 contact thermostat\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eSetting range + 10 to + 90 °C, contact load 230 V, switching difference (static) 5 K.\u003c\/p\u003e  \u003cp\u003eVAILLANT VRC 9642 contact thermostat with changeover contact and clamping band fastening\u003cbr\u003eAdjustment range + 10 to + 90 Grd.C, contact load 230 V, switching difference (static) 5 K\u003cbr\u003e\u003cbr\u003eSuitable for sensoCOMFORT, sensoHOME, multiMATIC 700, calorMATIC\u003cbr\u003e\u003cbr\u003eA notice:\u003cbr\u003e\u003cbr\u003erequired for underfloor heating\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47233854308700,"sku":"009642","price":96.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vrc-9642-anlegethermostat-mit-umschaltkontakt-und-spannbandbefestigung-4555175.jpg?v=1770693308"},{"product_id":"ablauftrichter-siphon-r1","title":"Supplier with siphon and chrome -plated rosette for Vaillant devices","description":"\u003ch2\u003eDrain funnel with siphon with rosette\u003c\/h2\u003e  \u003cp\u003eVAILLANT drain funnel connection R1, with rosette\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003efor connecting the overflow line\u003c\/li\u003e  \u003cli\u003eCan be used for aroSTOR, atmoTEC exclusive, atmoTEC plus, auroSTOR, auroSTOR exclusive, auroSTOR plus, ecoTEC exclusive, ecoTEC plus, ecoVIT, ecoVIT exclusiv, eloSTOR VEH 200 - 400, flexoCOMPACT exclusive basic module (Sole-WP), flexoCOMPACT exclusive brine\/water, flexoCOMPACT exclusive water\/water, icoVIT exclusive, uniSTOR exclusive VIH R 300-500 MR, uniSTOR exclusive VIH RW 300-500 MR, uniSTOR exclusive VIH SW 400-500 MR, uniSTOR plus VIH R 300-500 BR, uniSTOR plus VIH RW 300-500 BR, uniSTOR plus VIH SW 400-500 BR\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e*Technical changes reserved | Images may vary\u003c\/p\u003e  \u003cp\u003e- Manufacturer item no. 000376\u003c\/p\u003e  \u003cp\u003eDrain funnel with siphon with rosette\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47233909653852,"sku":"000376","price":37.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/ablauftrichter-mit-siphon-und-verchromter-rosette-fur-vaillant-gerate-9554784.jpg?v=1770693387"},{"product_id":"vwz-meh-97-6","title":"Vaillant Hydraulikstation VWZ Meh 97\/6 10023609","description":"\u003ch2\u003eVaillant hydraulic station VWZ MEH 97\/6\u003c\/h2\u003e  \u003cp\u003e\u003cstrong\u003eVaillant Pre-assembled hydraulic station for quick and easy installation\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003eVaillant hydraulic station for air\/water heat pump aroTHERM plus\u003c\/p\u003e  \u003cp\u003e\u003c\/p\u003e  \u003ch3\u003e\u003cstrong\u003eSpecial features:\u003c\/strong\u003e\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003ePre-assembled Vaillant hydraulic station for quick and easy installation\u003c\/li\u003e  \u003cli\u003eSupport of the heat pump in hot water operation\u003c\/li\u003e  \u003cli\u003eSupport of the heat pump in drying screed\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h3\u003e  \u003ch3\u003e\u003cstrong\u003eProduct features:\u003c\/strong\u003e\u003c\/h3\u003e  \u003cp\u003e\u003cstrong\u003e  \u003c\/strong\u003e\u003cb\u003eVaillant hydraulic station VWZ MEH 97\/6 \u003c\/b\u003e\u003c\/p\u003e  \u003cdiv class=\"product-tabs-content\" id=\"product_tabs_description_contents\"\u003e  \u003cdiv class=\"box-collateral-content\"\u003e  \u003cdiv class=\"std\"\u003e  \u003cul\u003e  \u003cli\u003eModulating electric auxiliary heating up to 9 kW\u003c\/li\u003e  \u003cli\u003e3-way diverter valve hot water\u003c\/li\u003e  \u003cli\u003eSafety valve 3 bar\u003c\/li\u003e  \u003cli\u003e10 liters of ADG\u003c\/li\u003e  \u003cli\u003eDIA system with plain text display, illuminated\u003c\/li\u003e  \u003cli class=\"std\"\u003eWeight, ready for use 28 kg Protection class IP 15 B\u003c\/li\u003e  \u003cli class=\"std\"\u003eHeight\/Width\/Depth 720\/440\/350 mm\u003c\/li\u003e  \u003cli\u003eMaximum temperature in conjunction with air\/water heat pump aroTHERM plus- with heat pump 75 Grd.C\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/div\u003e  \u003cdiv class=\"std\"\u003e  \u003ch3 class=\"std\"\u003eScope of delivery: VWZ MEH 97\/6 \u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e  Hydraulic station VWZ MEH 97\/6\u003c\/li\u003e  \u003cli class=\"std\"\u003e device holder\u003c\/li\u003e  \u003cli class=\"std\"\u003e Small items\u003c\/li\u003e  \u003cli class=\"std\"\u003e Product data sheet, energy efficiency label\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e\u003c\/p\u003e  \u003ch3\u003eTechnical data: Hydraulic station \u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e    Electronic auxiliary heating power: 9 kW\u003c\/li\u003e  \u003cli\u003e    Max. operating pressure on the heating side: 3 bar\u003c\/li\u003e  \u003cli\u003e    Product dimensions (height\/width\/depth): 720 x 440 x 350 mm\u003c\/li\u003e  \u003cli\u003e    Product weight: 20 kg\u003c\/li\u003e  \u003cli\u003e    Heat pump connection: G 1 1\/4\u003c\/li\u003e  \u003cli\u003e    Heating connection (flow and return): G 1\u003c\/li\u003e  \u003cli\u003e    Hot water connection: G 1\u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e\u003c\/p\u003e  \u003cp\u003e Hydraulic station VWZ MEH 97\/6 Order No. 0010023609\u003c\/p\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003cdiv class=\"product-tabs-content\" id=\"product_tabs_description_contents\"\u003e  \u003cdiv class=\"box-collateral-content\"\u003e  \u003cdiv class=\"std\"\u003e  \u003cbr\u003e\u003cbr\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003cp\u003e\u003cbr clear=\"all\"\u003e\u003cbr clear=\"all\"\u003e\u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":47234420343132,"sku":"10023609","price":1425.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-hydraulikstation-vwz-meh-976-10023609-8698182.jpg?v=1770693248"},{"product_id":"flexibler-panzerschlauch","title":"Flexible tank hose","description":"\u003ch2\u003eFlexible reinforced hose for heating\u003c\/h2\u003e  \u003cp\u003efor heating -15-110°C\u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003cp\u003e*Technical changes reserved | Images may vary\u003c\/p\u003e","brand":"Gema GmbH","offers":[{"title":"¾ \"I\/a x 1000mm","offer_id":47514194313564,"sku":"FS34341000","price":16.5,"currency_code":"EUR","in_stock":true},{"title":"1\" i\/ax 1000mm","offer_id":47514194215260,"sku":"FS111000","price":31.0,"currency_code":"EUR","in_stock":true},{"title":"1\" i\/ax 500mm","offer_id":47514194248028,"sku":"FS11500","price":21.5,"currency_code":"EUR","in_stock":true},{"title":"¾ \"I\/a x 500mm","offer_id":47514194346332,"sku":"FS3434500","price":15.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/flexibler-panzerschlauch-5290384.jpg?v=1770693549"},{"product_id":"istop-r-frostschutzventil-mit-aussenluftfuhler-serie-108","title":"Caleffi frost protection valve prevents heating systems from freezing","description":"\u003ch2 class=\"product-title h2\" itemprop=\"name\"\u003eCaleffi frost protection valve for heat pumps 1\" and 1 1\/4'' with outside air duct\u003cspan\u003e  \u003c\/span\u003e  \u003c\/h2\u003e  \u003cp class=\"section-title\"\u003eThe frost protection valve prevents the medium in the system circuit from freezing and thus prevents damage to the heat pump and pipes.\u003c\/p\u003e  \u003cp class=\"section-title\"\u003eThe valve is a mechanically operating protective system.\u003c\/p\u003e  \u003cp class=\"section-title\"\u003eThe version with an outdoor air sensor allows the system to operate in cooling mode even when the water temperature approaches 3°C. \u003c\/p\u003e  \u003ch3 id=\"technical-data\" class=\"section-title\"\u003eTECHNICAL DATA Frost protection valve\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eCaleffi frost protection valve for heat pumps 1\" and 1 1\/4\" with outside air supply\u003c\/li\u003e  \u003cli\u003eThreaded connection G1\" up to G 1 1\/4\" AG flat sealing (ISO 228-1)\u003c\/li\u003e  \u003cli\u003eBrass case\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure 5 bar\u003c\/li\u003e  \u003cli\u003eOperating temperature range 0-65°C\u003c\/li\u003e  \u003cli\u003eAmbient temperature range: -30-60°C\u003c\/li\u003e  \u003cli\u003eOpening temperature of the medium: 3°C\u003c\/li\u003e  \u003cli\u003eClosing temperature of the medium: 4°C\u003c\/li\u003e  \u003cli\u003eFrost protection function is activated when the outside air temperature is ≤ 5°C.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003e\u003cspan class=\"p-tech__value\"\u003eDownload\u003c\/span\u003e\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/Einbauanleitung.pdf?v=1720089374\" title=\"Einbauanleitung FSV\" rel=\"noopener\" target=\"_blank\" aria-label=\"Besuchen Sie eine Webseite über Einbauanleitung FSV\"\u003e\u003cspan class=\"p-tech__value\"\u003eInstallation instructions\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/technische_Broschuere_FSV.pdf?v=1720089375\" title=\"technische Broschüre FSV\" rel=\"noopener\" target=\"_blank\" aria-label=\"Besuchen Sie eine Webseite über technische Broschüre FSV\"\u003e\u003cspan class=\"p-tech__value\"\u003ebrochure\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/technische_Broschuere_FSV.pdf?v=1720090384\" title=\"technische Broschüre FSV\" rel=\"noopener\" target=\"_blank\" aria-label=\"Besuchen Sie eine Webseite über technische Broschüre FSV\"\u003e\u003cspan class=\"p-tech__value\"\u003etechnical brochure\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Caleffi","offers":[{"title":"1 1\/4\" - 70 kV","offer_id":49000560591196,"sku":"CFSVAF114","price":199.0,"currency_code":"EUR","in_stock":true},{"title":"1\" - 55Kv","offer_id":49000560558428,"sku":"CFSVAF1","price":179.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/caleffi-frostschutzventil-verhindert-einfrieren-von-heizsystemen-7170721.webp?v=1770693077"},{"product_id":"sunex-wandhalterung-fur-drops-warmepumpen","title":"Wall bracket for DROPS heat pumps from Sunex","description":"\u003ch2\u003eSUNEX wall bracket for DROPS heat pumps\u003c\/h2\u003e  \u003ch3\u003eSecure and stable installation\u003c\/h3\u003e  \u003cp\u003eThe SUNEX wall bracket ensures reliable mounting of your DROPS heat pump to any wall. Precisely manufactured contact surfaces and form-fitting connection points reliably prevent slippage or wobbling during operation.\u003c\/p\u003e  \u003ch3\u003eTrouble-free maintenance\u003c\/h3\u003e  \u003cp\u003eThanks to its clever design and easy access to the condensate drain, regular inspection and cleaning of the heat pump is incredibly simple. The clear distance from the wall also protects sensitive components and significantly simplifies servicing.\u003c\/p\u003e  \u003ch3\u003eEasy installation\u003c\/h3\u003e  \u003cp\u003eAll necessary mounting hardware is included, allowing you to install the bracket immediately. The flexible design adapts to different wall materials, ensuring quick and easy assembly.\u003c\/p\u003e  \u003ch3\u003eSpace-saving design\u003c\/h3\u003e  \u003cp\u003eThe SUNEX wall mount allows you to make optimal use of available space. Wall mounting frees up floor space and is particularly suitable for small utility rooms or basements where every square meter counts.\u003c\/p\u003e  \u003ch3\u003eRobust materials for durability\u003c\/h3\u003e  \u003cp\u003eMade from high-quality, weather-resistant materials, the bracket withstands both moisture and temperature fluctuations. This ensures your heat pump remains securely and protected in the long term.\u003c\/p\u003e","brand":"Sunex","offers":[{"title":"without","offer_id":55289254445404,"sku":"WHDDOPS","price":80.0,"currency_code":"EUR","in_stock":true},{"title":"with vibration isolator","offer_id":55289254478172,"sku":"WHDDOPSmW","price":107.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/wandhalterung-fur-drops-warmepumpen-von-sunex-9820348.jpg?v=1770692114"},{"product_id":"doymafix-r-hp-o-oberirdische-hauseinfuhrung-fur-luft-wasser-warmepumpen","title":"DOYMAfix® HP\/O – Above-ground house entry for air-water heat pumps","description":"\u003ch2\u003eDOYMAfix® HP\/O – Above-ground house entry for air-to-water heat pumps\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThe DOYMAfix® HP\/O is the first professional above-ground penetration fitting specifically for air-to-water heat pumps. Its innovative design enables the safe, quick, and clean installation of all connecting pipes and ensures an aesthetically pleasing wall transition with a high-quality surface finish.\u003c\/p\u003e  \u003cp\u003eDesigned for cross-trade assembly (shell construction, plumbing and electrical), the system offers maximum flexibility in the construction process and is suitable for both new and existing buildings.\u003c\/p\u003e  \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/DMF4.webp?v=1764658376\" alt=\"\"\u003e\u003c\/p\u003e  \u003ch3\u003eAdvantages at a glance\u003c\/h3\u003e  \u003cp\u003eThe building entry point reliably ensures thermal insulation and meets the requirements of the German Building Energy Act (GEG), regardless of wall construction and thickness. In addition, the product guarantees airtightness and protection against splashing water, as well as tested sound insulation.\u003c\/p\u003e  \u003ch3\u003eTechnical characteristics and standards\u003c\/h3\u003e  \u003cp\u003eDOYMAfix® HP\/O complies with relevant standards: airtight according to DIN EN 13829, protection against splashing water IP44 according to DIN EN 60529 and sound insulation according to DIN 4109-2. This design ensures that the heat pump connections are integrated into the building envelope in accordance with standards.\u003c\/p\u003e  \u003ch3\u003eInstallation and assembly\u003c\/h3\u003e  \u003cp\u003eAssembly is quick and ideal for collaborative installations involving different trades. The well-designed construction allows for safe routing and connection of cables without interrupting the thermal insulation.\u003c\/p\u003e  \u003cp\u003eThe assembly processes are designed to integrate well into the construction schedule and minimize rework.\u003c\/p\u003e  \u003ch3\u003eAdaptability to wall thicknesses\u003c\/h3\u003e  \u003cp\u003eIn its standard configuration, the DOYMAfix® HP\/O is designed for wall thicknesses up to a maximum of 500 mm. For greater wall thicknesses, extendable intermediate segments are available, offered in sets of four, allowing for flexible adjustment beyond 500 mm.\u003c\/p\u003e  \u003ch3\u003eVariants and accessories\u003c\/h3\u003e  \u003cp\u003eIn addition to the standard version, the DOYMAfix® HP\/O is also available as DOYMAfix® Connect HP\/O, offering additional connection options and system variants. Complementary accessories include intermediate segments for wall thickness adjustment and components for cross-trade installation.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eThe system is suitable for private residential buildings, apartment buildings, and commercial properties, and can be used in both new construction and renovation projects. Its universal compatibility means the service entry fits all common wall constructions.\u003c\/p\u003e  \u003ch3\u003eSafety, insulation and appearance\u003c\/h3\u003e  \u003cp\u003eThe combination of standard-compliant airtightness, tested sound insulation, and protected splash water protection ensures long-lasting operational reliability. At the same time, the clean surface finish allows for an attractive wall transition that blends harmoniously into the facade.\u003c\/p\u003e  \u003ch3\u003eWhy DOYMA?\u003c\/h3\u003e  \u003cp\u003eDOYMA stands for well-designed solutions that combine safety and ease of installation. With the DOYMAfix® HP\/O, you get a practical system that meets building physics requirements and simplifies the workflow on the construction site.\u003c\/p\u003e","brand":"DOYMAfix®","offers":[{"title":"Default Title","offer_id":56111330787676,"sku":"DYMAFix","price":512.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/doymafix-hpo-oberirdische-hauseinfuhrung-fur-luftwasserwarmepumpen-8683164.webp?v=1770692002"},{"product_id":"vaillant-uberstromventil-rp-3-4","title":"Vaillant overflow valve Rp 3\/4","description":"\u003ch2\u003eVaillant overflow valve Rp 3\/4 – adjustable 150–350 mbar\u003c\/h2\u003e  \u003ch3\u003eProduct description\u003c\/h3\u003e  \u003cp\u003eThe Vaillant Rp 3\/4 bypass valve ensures controlled pressure equalization in heating circuits and prevents disruptive flow noises and unregulated flow rates. It is infinitely adjustable and suitable for reliable use in compatible Vaillant systems.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cp\u003eThe valve is adjustable from 150 to 350 mbar and has an Rp 3\/4 connection. It is designed for use with Vaillant appliances and heat pumps up to 11 kW and was conceived for easy integration into existing systems.\u003c\/p\u003e  \u003ch3\u003ecompatibility\u003c\/h3\u003e  \u003cp\u003eSuitable for ecoTEC VC 406\/5-5, aroTHERM Split, aroTHERM Plus and for heat pumps with an output of up to 11 kW. Thanks to its specific adaptation to Vaillant devices, the bypass valve can be seamlessly integrated into the respective systems.\u003c\/p\u003e  \u003ch3\u003eAssembly instructions\u003c\/h3\u003e  \u003cp\u003eOnly use with single-circuit systems where no hydraulic separator (hydraulic balancing\/separation) is used. For proper adjustment and installation, we recommend professional installation by a qualified heating contractor to ensure optimal performance and noise reduction.\u003c\/p\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eVaillant overflow valve Rp 3\/4 \u003cul\u003e  \u003cli\u003eAdjustable from 150 to 350 mbar\u003c\/li\u003e  \u003cli\u003eSuitable for ecoTEC VC 406\/5-5, aroTHERM Split, aroTHERM Plus,\u003c\/li\u003e  \u003cli\u003eHeat pumps up to 11 kW\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp\u003e\u003cstrong\u003eA notice: \u003c\/strong\u003eOnly for single-circuit systems if no hydraulic separator is used!\u003c\/p\u003e  \u003cp\u003e  \u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":56498345541980,"sku":"0020059561","price":132.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-uberstromventil-rp-34-3557264.webp?v=1770691942"},{"product_id":"einstellbares-differenzdruck-uberstromventil-mit-gradskala","title":"Adjustable differential pressure relief valve with degree scale","description":"\u003ch2\u003eAdjustable differential pressure overflow valve with scale (adjustment range 1–6 mWC)\u003c\/h2\u003e  \u003ch3\u003eProduct overview\u003c\/h3\u003e  \u003cp\u003eThis adjustable differential pressure bypass valve ensures constant operating conditions in heating and cooling circuits with fluctuating flow rates. It returns excess flow proportionally to the number of closed consumers, thus limiting the differential pressure generated by the pump.\u003c\/p\u003e  \u003ch3\u003eTechnical specifications\u003c\/h3\u003e  \u003cp\u003eThe valve is designed for water and glycol solutions with a maximum glycol content of 30% and a temperature range of 0 to 110 °C. The maximum operating pressure is 10 bar; the adjustable intervention pressure is between 10 and 60 kPa (1–6 mWC).\u003c\/p\u003e  \u003ch3\u003ematerials\u003c\/h3\u003e  \u003cp\u003eHousing and slide are made of brass EN 12165 CW617N, seals and O-rings made of EPDM as well as screw-in seals made of asbestos-free NBR. Handle made of ABS and spring made of stainless steel ensure durability and resistance to common operating media.\u003c\/p\u003e  \u003ch3\u003eConnections\u003c\/h3\u003e  \u003cp\u003eThe valve is available with threaded connections according to ISO 228-1: 3\/4” female thread for male thread with threaded fitting or 1 1\/4” female thread for male thread with threaded fitting. The choice of connection depends on the installation location and the piping network of the system.\u003c\/p\u003e  \u003ch3\u003eHow it works\u003c\/h3\u003e  \u003cp\u003eAdjusting the spring force via the handwheel changes the balance of forces on the valve and thus sets the engagement pressure. The valve only opens when the differential pressure exceeds the force of the contrast spring, thereby diverting a partial flow into the bypass and limiting the pressure in the affected section.\u003c\/p\u003e  \u003ch3\u003eOperation of the plant\u003c\/h3\u003e  \u003cp\u003eThe bypass valve maintains the pump pressure close to the nominal value, even if the flow rate decreases due to the partial closing of 2-way valves. With a correctly sized valve, the pump is kept at its nominal operating point under all operating conditions, such as with fully closed thermostatic valves.\u003c\/p\u003e  \u003ch3\u003eInstallation instructions\u003c\/h3\u003e  \u003cp\u003eThe valve should be installed at a location where the differential pressure is representative of the section to be controlled and where an unobstructed bypass is ensured. Ensure proper sealing surfaces and matching threads, and install a pre-filter to keep foreign matter away from the valve.\u003c\/p\u003e  \u003ch3\u003eMaintenance and operational safety\u003c\/h3\u003e  \u003cp\u003eRegular visual inspection and, if necessary, cleaning of the valve area and seals will extend the service life. The spring and seals should be checked during extended periods of inactivity or after prolonged operation and replaced if worn.\u003c\/p\u003e  \u003ch3\u003eAdvantages and typical applications\u003c\/h3\u003e  \u003cp\u003eThe valve offers reliable pressure limitation, easy adjustment via scale, and a robust design for everyday use in heating, air conditioning, and industrial applications. Typical applications include systems with multiple thermostatic or motorized 2-way valves, return and distribution lines, and pump control circuits.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eMaximum working pressure: 10 bar\u003c\/li\u003e  \u003cli\u003eMedium temperature range: 0–110 °C\u003c\/li\u003e  \u003cli\u003eMaximum glycol content: 30%\u003c\/li\u003e  \u003cli\u003eAgents: Water, glycol solutions\u003c\/li\u003e  \u003cli\u003eSetting: 10–60 kPa (1–6 m w.s.  )\u003c\/li\u003e  \u003cli\u003eConnections: \u003cul\u003e  \u003cli\u003e3\/4” female thread (ISO 228-1) for male thread with screw connection\u003c\/li\u003e  \u003cli\u003eor\u003c\/li\u003e  \u003cli\u003e1 1\/4” female thread (ISO 228-1) for male thread with screw connection\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Caleffi","offers":[{"title":"3\/4\"","offer_id":56510609523036,"sku":"CUV34","price":64.0,"currency_code":"EUR","in_stock":true},{"title":"1 1\/4\"","offer_id":56510609555804,"sku":"CUV114","price":69.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/einstellbares-differenzdruck-uberstromventil-mit-gradskala-1037246.webp?v=1770691940"},{"product_id":"differenzdruck-uberstromventil","title":"Differential pressure relief valve","description":"\u003ch2\u003eDifferential pressure overflow valve — adjustable with scale\u003c\/h2\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cp\u003eMaximum operating pressure: 10 bar. Average temperature range: 0–100 °C. Maximum glycol content: 30%. Medium: Water and glycol solutions.\u003c\/p\u003e  \u003ch3\u003efunction\u003c\/h3\u003e  \u003cp\u003eThe differential pressure bypass valve ensures controlled return of flow rates in systems with fluctuating consumer states. It limits the differential pressure generated by the pump and returns excess volume proportionally to the number of closed consumers.\u003c\/p\u003e  \u003cp\u003eEspecially in systems with heat pumps or speed-controlled circulation pumps, the valve ensures the required minimum flow rate necessary for the correct operation of the machine and to prevent malfunctions and overheating.\u003c\/p\u003e  \u003ch3\u003eAdjustability and operation\u003c\/h3\u003e  \u003cp\u003eThe stepless adjustment via the visible scale allows for precise adaptation to the calculated pressure conditions of the system. During commissioning, the setting should be made based on the pump characteristic curve and the desired differential pressure limit.\u003c\/p\u003e  \u003cp\u003eFine-tuning during operation allows for optimization of system behavior under changing loads; log settings for later control measurements.\u003c\/p\u003e  \u003ch3\u003eAdvantages\u003c\/h3\u003e  \u003cp\u003eProtection of the pump and control components through limiting the maximum differential pressure, reduced noise levels, and a longer system lifespan. More stable hydraulic conditions improve control behavior and efficiency.\u003c\/p\u003e  \u003ch3\u003eAssembly and maintenance instructions\u003c\/h3\u003e  \u003cp\u003eThe valve should be installed in a suitable position in the return line, accessible for inspection and adjustment. A strainer upstream of the valve increases operational reliability and reduces wear.\u003c\/p\u003e  \u003cp\u003eRegular visual and functional inspections, as well as checks of the glycol content and seals, are recommended. Appropriate protective measures must be taken in case of frost.\u003c\/p\u003e  \u003ch3\u003eApplication areas\u003c\/h3\u003e  \u003cp\u003eSuitable for heating, cooling, and heat pump systems with variable flow rates. Particularly useful in systems with multiple consumers, actuators, or speed-controlled pumps to ensure minimum flow and pressure limitation.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eMaximum working pressure: 10 bar\u003c\/li\u003e  \u003cli\u003eMedium temperature range: 0–100 °C\u003c\/li\u003e  \u003cli\u003eMaximum glycol content: 30%\u003c\/li\u003e  \u003cli\u003eAgents: Water, glycol solutions\u003c\/li\u003e  \u003cli\u003eSetting: 10–60 kPa (1–6 m w.s.  )\u003c\/li\u003e  \u003cli\u003eConnections: \u003cul\u003e  \u003cli\u003e3\/4” female thread (ISO 228-1) for male thread with screw connection\u003c\/li\u003e  \u003c\/ul\u003e  \u003c\/li\u003e  \u003c\/ul\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":56510708744540,"sku":"CUV34100","price":29.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/differenzdruck-uberstromventil-8952150.webp?v=1770691945"},{"product_id":"afriso-differenzdruck-uberstromventil-du-3-4-eckausfuhrung","title":"Afriso differential pressure overflow valve DÜ 3\/4\" Corner version","description":"\u003ch2\u003eAfriso differential pressure overflow valve DÜ 3\/4\" — Corner design\u003c\/h2\u003e  \u003ch3\u003eApplication\u003c\/h3\u003e  \u003cp\u003eThe differential pressure bypass valve serves to maintain constant pump pressure in closed heating systems according to EN 12828 and simultaneously reduces disruptive flow noise. It ensures that the delivery head of the circulation pump remains stable even with changing valve positions and partial load.\u003c\/p\u003e  \u003cp\u003eThe corner version is particularly suitable for confined installation situations, for example in space-constrained heating circuit manifolds or in retrofit applications.\u003c\/p\u003e  \u003ch3\u003eDescription\u003c\/h3\u003e  \u003cp\u003eThe valve features a robust brass housing and a clearly legible adjustment scale. The differential pressure is set at the valve when the heating system is operating at full load; if the flow rate decreases, the bypass valve opens automatically to maintain a constant pump head.\u003c\/p\u003e  \u003cp\u003eAvailable in straight or space-saving corner versions; connections: inlet G¾ internal thread, outlet with flat-sealing screw connection and G¾ union nut. Adjustable pressure is continuously variable between 0.1 and 0.5 bar.\u003c\/p\u003e  \u003ch3\u003eTechnical information\u003c\/h3\u003e  \u003cp\u003eOperating temperature range: max. 95 °C (briefly up to 120 °C). Operating pressure: max. 6 bar. Differential pressure continuously adjustable: 0.1\/0.5 bar. Housing material: brass. Connections: Inlet G¾ internal thread, outlet flat sealing screw connection with G¾ union nut.\u003c\/p\u003e  \u003ch3\u003eAdvantages\u003c\/h3\u003e  \u003cp\u003eConstant pump performance and reduced flow noise result in greater comfort and a longer service life for pumps and components. The stepless adjustment scale allows for precise adaptation to system requirements.\u003c\/p\u003e  \u003cp\u003eThe corner design saves space and makes installation easier in tight spaces without compromising on function or accessibility.\u003c\/p\u003e  \u003ch3\u003eInstallation and assembly instructions\u003c\/h3\u003e  \u003cp\u003eMount the valve near the circulation pump or at the designated bypass so that the adjustment scale remains easily accessible. Ensure correct sealing and tightening torques during installation; the flat-sealing screw connection guarantees a reliable, leak-free connection.\u003c\/p\u003e  \u003cp\u003eBefore commissioning, vent the system and check for leaks. Do not exceed operating pressure and temperature limits; if unsure, refer to the manufacturer's instructions and installation guides.\u003c\/p\u003e  \u003ch3\u003eMaintenance and care\u003c\/h3\u003e  \u003cp\u003eRegular visual inspection and occasional adjustment of the setting scale are usually sufficient. Before maintenance work, depressurize the system and allow it to cool down. Dirt or deposits can impair its function; clean or replace them as necessary.\u003c\/p\u003e  \u003ch3\u003eAreas of application\u003c\/h3\u003e  \u003cp\u003eIdeal for central heating systems in residential and commercial buildings, especially where pump pressure needs to be stabilized and flow noise minimized. The compact corner design is also suitable for modernizations in confined installation spaces.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eMaximum operating temperature range: 95 °C (120 °C for short periods)\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure: 6 bar\u003c\/li\u003e  \u003cli\u003eDifferential pressure continuously adjustable 0.1\/0.5 bar\u003c\/li\u003e  \u003cli\u003eHousing corner design  \u003c\/li\u003e  \u003cli\u003eMaterial: Brass connector  \u003c\/li\u003e  \u003cli\u003eInlet: G¾ internal thread\u003c\/li\u003e  \u003cli\u003eOutlet: Screw connection, flat sealing with union nut G¾ \u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eAfriso differential pressure overflow valve\u003c\/li\u003e  \u003cli\u003esealing ring\u003c\/li\u003e  \u003cli\u003eAssembly instructions\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Afriso","offers":[{"title":"Default Title","offer_id":56532406600028,"sku":"ARTUSVR34","price":28.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/afriso-differenzdruck-uberstromventil-du-34-eckausfuhrung-8193609.webp?v=1770691951"},{"product_id":"caleffi-xf-halbautomatischer-schmutzfanger-schlammabscheider","title":"CALEFFI XF, semi-automatic dirt trap\/dirt separator","description":"\u003ch2\u003eCALEFFI XF – Self-cleaning, semi-automatic dirt separator and sludge extractor\u003c\/h2\u003e\n\u003ch3\u003eFunction\u003c\/h3\u003e\n\u003cp\u003eThe CALEFFI XF removes impurities from the first flow, thereby continuously protecting generators and devices in the hydraulic circuit from deposits. The system operates in three stages: a primary separation screen, a central magnet, and a dirt trap in the outlet, effectively separating solids and magnetic particles.\u003c\/p\u003e\n\u003cp\u003eThanks to the large filter surfaces and the separate pre-separation, the risk of clogging the dirt trap screen is minimized. The device is rotatable and can be installed in both horizontal and vertical pipelines.\u003c\/p\u003e\n\u003ch3\u003eConstruction and Materials\u003c\/h3\u003e\n\u003cp\u003eThe housing is made of PA66G30, the upper closure and the vent screw are made of brass EN 12164 CW617N. Other components include a T-piece made of brass EN 1982 CB 753S, internal elements and internal brushes made of PA66, and EPDM seals.\u003c\/p\u003e\n\u003ch3\u003ePerformance and Operating Conditions\u003c\/h3\u003e\n\u003cp\u003eThe CALEFFI XF is designed for water and glycol solutions with a maximum glycol content of 30%. The maximum operating pressure is 3 bar, and the temperature range is between 0 and 90 °C. The screen mesh size is 160 μm, and magnetic shielding is provided by three magnets, each with 0.475 T.\u003c\/p\u003e\n\u003cp\u003eThe housing volume is 0.53 liters for the 1\" and 1 1\/4\" versions, and 0.6 liters for the 1 1\/2\" version.\u003c\/p\u003e\n\u003ch3\u003eHousing Sizes\u003c\/h3\u003e\n\u003cp\u003eThe dirt separator is available in connection sizes 1\", 1 1\/4\", and 1 1\/2\", making it suitable for different piping systems and flow rates.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe rotatable design allows for flexible installation in horizontal and vertical lines. Maintenance can be performed without shutting down the system: internal cleaning brushes enable semi-automatic cleaning and reduce downtime.\u003c\/p\u003e\n\u003cp\u003eThe separation of pre-separation and the integrated cleaning functions reduce the need for manual intervention and the risk of malfunctions due to clogged screens.\u003c\/p\u003e\n\u003ch3\u003eBenefits and Applications\u003c\/h3\u003e\n\u003cp\u003eThe CALEFFI XF provides reliable protection against dirt and magnetic particles, extends the service life of heat generators, pumps, and valves, and reduces maintenance costs. It is particularly suitable for heating and cooling systems as well as other closed water circuits.\u003c\/p\u003e\n\u003cp\u003eThe combination of mechanical and magnetic separation, along with the possibility of operation without shutdown, makes the device an economical solution for modern building services.\u003c\/p\u003e\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003ch4\u003eMaterial\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHousing: PA66G30\u003c\/li\u003e\n\u003cli\u003eUpper closure: Brass EN 12164 CW617N\u003c\/li\u003e\n\u003cli\u003eVent screw: Brass EN 12164 CW617N\u003c\/li\u003e\n\u003cli\u003eSlotted nut for T-piece (1\" and 1 1\/4\" version): PPSG40\u003c\/li\u003e\n\u003cli\u003eSlotted nut for T-piece (1 1\/2\" version): Brass EN 12420 CW617N\u003c\/li\u003e\n\u003cli\u003eT-piece: Brass EN 1982 CB 753S\u003c\/li\u003e\n\u003cli\u003eInternal elements: PA66\u003c\/li\u003e\n\u003cli\u003eSeals: EPDM\u003c\/li\u003e\n\u003cli\u003eInternal brushes: PA66\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePerformance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOperating media: Water, glycol solutions\u003c\/li\u003e\n\u003cli\u003eMaximum glycol content: 30%\u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 3 bar\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: 0-90 °C\u003c\/li\u003e\n\u003cli\u003eBody content (1\" and 1 1\/4\" version): 0.53 liters\u003c\/li\u003e\n\u003cli\u003eBody content (1 1\/2\" version): 0.6 liters\u003c\/li\u003e\n\u003cli\u003eDirt separator screen mesh size: 160 μm\u003c\/li\u003e\n\u003cli\u003eMagnetic strength: 3 x 0.475 T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHousing\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1\", 1 1\/4\", or 1 1\/2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptional Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eInsulation for dirt\/sludge separator with magnet and manual cleaning\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eDelivery\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSludge separator in the desired size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInsulation of choice\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOperating \u0026 Installation Instructions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gema GmbH","offers":[{"title":"1 inch \/ without insulation","offer_id":56533712109916,"sku":"CSAS1o","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 inch \/ 577500","offer_id":56533712142684,"sku":"CSAS1+CSASISO500","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 1\/4 inches \/ without insulation","offer_id":56533712208220,"sku":"CSAS114o","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 1\/4 inches \/ 577500","offer_id":56533712240988,"sku":"CSAS114+CSASISO500","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 1\/2 inches \/ without insulation","offer_id":56533712306524,"sku":"CSAS112o","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 1\/2 inches \/ 577800","offer_id":56533712372060,"sku":"CSAS112+CSAS800","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/caleffi-xf-halbautomatischer-schmutzfanger-schlammabscheider-2376247.webp?v=1770691951"},{"product_id":"hocheffizienz-entlufter-caleffi-hed-r-1-1-4-zoll","title":"High-efficiency breather CALEFFI HED®","description":"\u003ch2\u003eHigh-efficiency air vent CALEFFI HED®\u003c\/h2\u003e  \u003ch3\u003efunction\u003c\/h3\u003e  \u003cp\u003eThe high-efficiency CALEFFI HED® air vent removes up to 99% of the air contained in the heat transfer fluid during the first flow. This allows systems to operate with virtually air-free water under optimal conditions, significantly reducing noise, corrosion, and mechanical problems.\u003c\/p\u003e  \u003cp\u003eThe air vent was specifically developed for use in heat pump systems and heating systems and is patent pending. It can be installed in horizontal and vertical pipes as well as with axially rotatable connections.\u003c\/p\u003e  \u003ch3\u003ematerials\u003c\/h3\u003e  \u003cp\u003eThe CALEFFI HED® housing is made of PA66G30, the float of PP. The guide rod and float rod are made of brass (EN 12164 C).W614N) manufactured, float lever and spring made of stainless steel (EN 10270-3\/AISI 302). Seals are made of EPDM.\u003c\/p\u003e  \u003ch3\u003eTechnical services\u003c\/h3\u003e  \u003cp\u003eWater is used as the working medium; the maximum operating pressure and the maximum discharge pressure are both 3 bar. The permissible operating temperature range is between 0 and 90 °C, making the air vent suitable for common heating and heat pump conditions.\u003c\/p\u003e  \u003ch3\u003eConnections and drainage\u003c\/h3\u003e  \u003cp\u003eAvailable are 1\" IG (ISO 228-1) and 1 1\/4\" IG (ISO 228-1) versions with O-ring. The drain spout is equipped with a hygroscopic cover, which enables safe and low-condensation drainage.\u003c\/p\u003e  \u003ch3\u003eTechnical properties of the insulation\u003c\/h3\u003e  \u003cp\u003eThe supplied insulation consists of PPE with a density of 38 g\/l. The thermal conductivity at 10 °C is 0.039 W\/(m·K) and the vapor diffusion resistance factor is ≥ 39,700, which ensures high thermal insulation and vapor barrier properties.\u003c\/p\u003e  \u003ch3\u003eHow it works\u003c\/h3\u003e  \u003cp\u003eThe special arrangement of the connections creates a downward rotary motion of the heat transfer medium from the upper to the lower connection. A calm zone forms in the center of the body, where microbubbles collect and are forced against the outer wall.\u003c\/p\u003e  \u003cp\u003eThanks to the patented internal design, air rises in the central area and collects in the float chamber. There, it is captured by the float mechanism and released in a controlled manner into the outside air.\u003c\/p\u003e  \u003ch3\u003eDimensioning\u003c\/h3\u003e  \u003cp\u003eThe maximum flow rate at which the CALEFFI HED® ensures its highest performance is 3 m³\/h. At lower flow rates, the air vent can be selected according to the pipe diameter to guarantee optimal air separation.\u003c\/p\u003e  \u003ch3\u003eAdvantages\u003c\/h3\u003e  \u003cp\u003eThe use of the high-efficiency air vent reduces operating noise, minimizes corrosion risks, and prevents malfunctions. Its high separation efficiency improves the overall efficiency and lifespan of the system.\u003c\/p\u003e  \u003cp\u003eFlexibility in installation (horizontal, vertical, rotatable connections) and robust materials make the device reliable in various applications of heating and heat pump technology.\u003c\/p\u003e  \u003ch3\u003eAssembly instructions\u003c\/h3\u003e  \u003cp\u003eThe air vent can be installed in various pipe orientations; accessibility to the float chamber and drain port should be ensured for maintenance and visual inspections. Observe the specified pressure and temperature limits.\u003c\/p\u003e  \u003ch3\u003eProduct variants\u003c\/h3\u003e  \u003cp\u003eVersions for copper pipes are available as part numbers 551602 and 551603; for steel pipes, parts 551606, 551607, and 551617 are available. Select the appropriate version according to the pipe material and dimensions.\u003c\/p\u003e  \u003ch3\u003eBrief overview of technical data\u003c\/h3\u003e  \u003cp\u003eWorking medium: Water; Max. operating\/blowing pressure: 3 bar; Temperature range: 0–90 °C; Max.Maximum flow rate: 3 m³\/h; Connections: 1\" IG\/1 1\/4\" IG (ISO 228-1) with O-ring; Insulation: PPE, 38 g\/l, λ=0.039 W\/(m·K) at 10 °C, μ ≥ 39,700.\u003c\/p\u003e  \u003ch3\u003eTechnical data\u003c\/h3\u003e  \u003ch4\u003ematerials \u003c\/h4\u003e  \u003cul\u003e  \u003cli\u003eHousing: PA66G30\u003c\/li\u003e  \u003cli\u003eSwimmers: PP\u003c\/li\u003e  \u003cli\u003eGuide and float rod: Brass EN 12164 CW614N\u003c\/li\u003e  \u003cli\u003eFloat lever and spring: Stainless steel EN 10270-3 (AISI 302)\u003c\/li\u003e  \u003cli\u003eSeals: EPDM\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch4\u003eServices\u003c\/h4\u003e  \u003cul\u003e  \u003cli\u003eWorking medium: Water\u003c\/li\u003e  \u003cli\u003eMaximum operating pressure: 3 bar\u003c\/li\u003e  \u003cli\u003eMaximum discharge pressure: 3 bar\u003c\/li\u003e  \u003cli\u003eOperating temperature range: 0-90 °C\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch4\u003eConnections\u003c\/h4\u003e  \u003cul\u003e  \u003cli\u003e1\" IG (ISO 228-1), 1 1\/4\" IG (ISO 228-1) with O-ring\u003c\/li\u003e  \u003cli\u003eDrain spout: with hygroscopic lid\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical properties of the insulation \u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eMaterial: PPE\u003c\/li\u003e  \u003cli\u003eDensity: 38 g\/l\u003c\/li\u003e  \u003cli\u003eThermal conductivity (ISO 8301): at 10 °C: 0.039 W\/(m·K)\u003c\/li\u003e  \u003cli\u003eVapor diffusion resistance factor (DIN 52615): ≥ 39,700\u003cbr\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eScope of delivery\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHigh-efficiency vent\u003c\/li\u003e  \u003cli\u003eInsulation (optional)\u003c\/li\u003e  \u003cli\u003eAssembly \u0026amp; User manual\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Gema GmbH","offers":[{"title":"1 inch \/ without insulation","offer_id":56534827762012,"sku":"CENTL1o","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 inch \/ CENTLISO","offer_id":56534827827548,"sku":"CENTL1+CENTLISO","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 1\/4 inches \/ without insulation","offer_id":56534827794780,"sku":"CENTL114o","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"1 1\/4 inches \/ CENTLISO","offer_id":56534827860316,"sku":"CENTL114+CENTLISO","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/hocheffizienz-entlufter-caleffi-hed-7140667.webp?v=1770691950"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/collections\/warmepumpenzubehor-3900258.webp?v=1770691894","url":"https:\/\/ro.gemashop.de\/en\/collections\/heat-pump-accessories-heat-pump-accessories.oembed","provider":"GEMA Shop","version":"1.0","type":"link"}