{"product_id":"flachkollektor-aurotherm-vfk-145-3-v","title":"Vaillant flat collector 2.51 auroTHERM | VFK 145\/3 V","description":"\u003cblockquote\u003e  \u003ch4\u003eThe system described here is \u003cstrong\u003eEligible for funding under BEG EM (Federal Funding for Efficient Buildings – Individual Measures). \u003c\/strong\u003e  \u003c\/h4\u003e  \u003ch4\u003esolar collector systems are maintained\u003cstrong\u003e up to 30% funding \u003c\/strong\u003eat the costs\u003cstrong\u003e for purchase and installation.\u003c\/strong\u003e Through optional bonuses\u003cstrong\u003e Up to 70% funding possible!\u003c\/strong\u003e  \u003c\/h4\u003e  \u003ch4\u003eFind out more now in our \u003ca rel=\"noopener\" title=\"Merkblatt KfW Förderung\" href=\"\/hr\/pages\/merkblatt-beg-heizungsforderung-fur-privatpersonen-wohngebaude-kfw-de\" target=\"_blank\" aria-label=\"Merkblatt KfW Förderung\"\u003eGuide to heating subsidies\u003c\/a\u003e about the general conditions and the application procedure.\u003c\/h4\u003e  \u003c\/blockquote\u003e  \u003cp\u003e  \u003c\/p\u003e  \u003ch2\u003eVAILLANT flat collector auroTHERM VFK 145\/3 V\u003c\/h2\u003e  \u003cp\u003eThe Vaillant 2.51 flat-plate collector is available in four versions: the auroTHERM plus VFK 155 and auroTHERM VFK 145 are available in vertical and horizontal configurations for pressurized solar thermal systems. The vertically oriented flat-plate collectors auroTHERM classic VFK 140 and VFK 135 are specifically designed for use in return-flow solar thermal systems. All collectors look fantastic on your roof, sure to impress your neighbors. And yet, the most important thing remains unseen: your heating cost savings thanks to high solar yields.\u003c\/p\u003e  \u003ch3\u003eThe perfect combination of high efficiency and excellent design\u003c\/h3\u003e  \u003ch3\u003eAdvantages of the Vaillant flat plate collector 2.51:\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHigh efficiencies of up to 85%\u003c\/li\u003e  \u003cli\u003eElegant design plus high product quality made in Germany\u003c\/li\u003e  \u003cli\u003eFree solar thermal energy provides around 60% of the energy for hot water preparation and 20% of the heating energy.\u003c\/li\u003e  \u003cli\u003eState and municipal funding for modernization projects that utilize renewable energy can be combined.\u003c\/li\u003e  \u003cli\u003eAvailable for both pressure-controlled and return-flow solar systems\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eSpecial features of the flat plate collector:\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eCollector with homogeneous disc surface, 2.51 m² gross area\u003c\/li\u003e  \u003cli\u003eTextured glass 3.2 mm (solar safety glass)\u003c\/li\u003e  \u003cli\u003eSolar-assisted hot water preparation and heating support\u003c\/li\u003e  \u003cli\u003eOn-roof, in-roof and flat roof mounting, pitched roof mounting and facade mounting possible\u003c\/li\u003e  \u003cli\u003eFor vertical mounting\u003c\/li\u003e  \u003cli\u003eAluminum frame, black anodized\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eProduct features:\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eHighly selective coated aluminum\/copper absorber (serpentine)\u003c\/li\u003e  \u003cli\u003eLow installation height\u003c\/li\u003e  \u003cli\u003eLightweight\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eScope of delivery:\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003e1 auroTHERM VFK V\u003c\/li\u003e  \u003cli\u003eInstallation instructions\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eTechnical data:\u003c\/h3\u003e  \u003cul\u003e  \u003cli\u003eCollector classification: Flat plate collector\u003c\/li\u003e  \u003cli\u003eGross area: 2.51 m²\u003c\/li\u003e  \u003cli\u003eAperture area: 2.35 m²\u003c\/li\u003e  \u003cli\u003eSolar safety glass (transmission τ 1): 90.5%\u003c\/li\u003e  \u003cli\u003eAbsorber absorption α 1): 95 %\u003c\/li\u003e  \u003cli\u003eAbsorber emission ε 1): 5 %\u003c\/li\u003e  \u003cli\u003eStandstill temperature (according to prEN 12975-2): 200 °C\u003c\/li\u003e  \u003cli\u003eCollector capacity: 1.85 l\u003c\/li\u003e  \u003cli\u003eSolar connection (flow and return): G 3\/4\u003c\/li\u003e  \u003cli\u003eSolar sensor sleeve: Ø 6 mm\u003c\/li\u003e  \u003cli\u003eMinimum collector yield: 525 kWh\/m²a\u003c\/li\u003e  \u003cli\u003eProduct dimensions (height\/width\/depth): 2,033\/1,233\/80 mm\u003c\/li\u003e  \u003cli\u003eProduct weight: 36 kg\u003c\/li\u003e  \u003cli\u003e1) Tolerance range +\/-2\u003c\/li\u003e  \u003c\/ul\u003e","brand":"Vaillant","offers":[{"title":"horizontal","offer_id":49001011904860,"sku":"0010038516","price":1021.74,"currency_code":"EUR","in_stock":true},{"title":"vertical","offer_id":49001011872092,"sku":"0010038514","price":1021.74,"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:\/\/si.gemashop.de\/hr\/products\/flat-collector-aurotherm-vfk-145-3-v","provider":"GEMA Shop","version":"1.0","type":"link"}