{"product_id":"flachkollektor-aurotherm-vfk-145-3-v","title":"Vaillant flat collector 2.51 auroTHERM | VFK 145\/3 V","description":"\u003cblockquote\u003e\n\u003ch4\u003eThe system described here is \u003cstrong\u003eeligible for funding under BEG EM (Federal Funding for Efficient Buildings – Individual Measures). \u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003ch4\u003eSolar collector systems receive\u003cstrong\u003e up to 30% funding \u003c\/strong\u003eon the costs\u003cstrong\u003e for purchase and installation.\u003c\/strong\u003e With optional bonuses,\u003cstrong\u003e up to 70% funding is possible!\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003ch4\u003eFind out more now in our \u003ca rel=\"noopener\" title=\"KfW funding information sheet\" href=\"\/en\/pages\/merkblatt-beg-heizungsforderung-fur-privatpersonen-wohngebaude-kfw-de\" target=\"_blank\" aria-label=\"Merkblatt KfW Förderung\"\u003eguide to heating funding\u003c\/a\u003e about the framework conditions and the application process.\u003c\/h4\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003ch2\u003eVAILLANT flat-plate collector auroTHERM VFK 145\/3 V\u003c\/h2\u003e\n\u003cp\u003eThe Vaillant flat-plate collector 2.51 is available in four variants: auroTHERM plus VFK 155 and auroTHERM VFK 145 are available in vertical and horizontal versions for pressurized solar systems. The vertically oriented flat-plate collectors auroTHERM classic VFK 140 and VFK 135 have been specially developed for use in return-flow solar systems. All collectors look excellent on your roof, so your neighbors can only marvel. And yet the essential remains invisible: namely your heating cost savings through high solar yields.\u003c\/p\u003e\n\u003ch3\u003eThe perfect combination of high efficiency curves and excellent design\u003c\/h3\u003e\n\u003ch3\u003eAdvantages of the Vaillant flat-plate collector 2.51:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency levels of up to 85%\u003c\/li\u003e\n\u003cli\u003eElegant appearance plus high product quality made in Germany\u003c\/li\u003e\n\u003cli\u003eFree solar heat supplies around 60% of the energy for hot water preparation and 20% of the heating energy\u003c\/li\u003e\n\u003cli\u003eState and municipal funding for modernization for the use of renewable energy can be combined\u003c\/li\u003e\n\u003cli\u003eAvailable for both pressurized and return-flow solar systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecial features of the flat-plate collector:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCollector with homogeneous glass surface, 2.51 m² gross area\u003c\/li\u003e\n\u003cli\u003eStructured glass 3.2 mm (solar safety glass)\u003c\/li\u003e\n\u003cli\u003eSolar-assisted hot water preparation and heating support\u003c\/li\u003e\n\u003cli\u003eRoof-mounted, in-roof and flat-roof installation, pitched roof mounting and facade installation possible\u003c\/li\u003e\n\u003cli\u003eFor vertical installation\u003c\/li\u003e\n\u003cli\u003eAluminum frame, black anodized\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHighly selective coated aluminum\/copper absorber (serpentine)\u003c\/li\u003e\n\u003cli\u003eLow profile height\u003c\/li\u003e\n\u003cli\u003eLow weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eScope of delivery:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 auroTHERM VFK V\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical data:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCollector classification: flat-plate collector\u003c\/li\u003e\n\u003cli\u003eGross area: 2.51 m²\u003c\/li\u003e\n\u003cli\u003eAperture area: 2.35 m²\u003c\/li\u003e\n\u003cli\u003eSolar safety glass transmission τ 1): 90.5%\u003c\/li\u003e\n\u003cli\u003eAbsorber absorption α 1): 95%\u003c\/li\u003e\n\u003cli\u003eAbsorber emission ε 1): 5%\u003c\/li\u003e\n\u003cli\u003eStagnation temperature (according to prEN 12975-2): 200 °C\u003c\/li\u003e\n\u003cli\u003eCollector content: 1.85 l\u003c\/li\u003e\n\u003cli\u003eSolar connection (flow and return): G 3\/4\u003c\/li\u003e\n\u003cli\u003eSolar sensor pocket: Ø 6 mm\u003c\/li\u003e\n\u003cli\u003eMinimum collector yield: 525 kWh\/m²a\u003c\/li\u003e\n\u003cli\u003eProduct dimensions (height \/ width \/ depth): 2,033 \/ 1,233 \/ 80 mm\u003c\/li\u003e\n\u003cli\u003eProduct weight: 36 kg\u003c\/li\u003e\n\u003cli\u003e1) Tolerance range +\/-2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vaillant","offers":[{"title":"horizontal","offer_id":49001011904860,"sku":"0010038516","price":1077.34,"currency_code":"EUR","in_stock":true},{"title":"vertical","offer_id":49001011872092,"sku":"0010038514","price":1077.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/vaillant-flachkollektor-251-aurotherm-vfk-1453-v-3873360.png?v=1770692896","url":"https:\/\/hr.gemashop.de\/en\/products\/plocasti-kolektor-aurotherm-vfk-145-3-v","provider":"GEMA Shop","version":"1.0","type":"link"}