{"product_id":"automatic-filling-unit-with-ba-type-backflow-preventer","title":"Caleffi 574011 Automatic Filling Unit with BA Type Backflow Preventer","description":"\u003cp\u003e\u003cspan\u003eCALEFFI, 574011. Compact automatic charging unit with BA type backflow preventer, shut-off valve and strainer. With insulation. Backflow preventer conforming to EN 12729. Connection: G 1\/2\" A (ISO 228-1) M. Maximum working pressure: 10 bar. Medium temperature range: 2–65 °C. Adjustment pressure range: 0,2–4 bar.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 id=\"technical-data\" class=\"section-title\"\u003eTechnical data\u003c\/h2\u003e\n\u003cdiv class=\"p-tech__el\"\u003e\n\u003cspan class=\"p-tech__label\"\u003eAdjustment pressure range\u003c\/span\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"p-tech__value\"\u003e0,2–4 bar\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p-tech__el\"\u003e\n\u003cspan class=\"p-tech__label\"\u003eMedium temperature range\u003c\/span\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"p-tech__value\"\u003e2–65 °C\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p-tech__el\"\u003e\n\u003cspan class=\"p-tech__label\"\u003eMaximum working pressure\u003c\/span\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"p-tech__value\"\u003e10 bar\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p-tech__el\"\u003e\u003cspan class=\"p-tech__value\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"p-tech__el\"\u003e\u003cspan class=\"p-tech__value\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"p-tech__el\"\u003e\u003cspan class=\"p-tech__value\"\u003e\u003cbr\u003eThe charging unit assembly is composed of a shut-off valve with an\u003cbr\u003einspectable strainer, a BA type controllable reduced pressure zone\u003cbr\u003ebackflow preventer and a pre-adjustable filling unit.\u003cbr\u003eIt is installed on the water inlet pipe in sealed heating systems and its main\u003cbr\u003efunction is to maintain the pressure of the system stable at a set value,\u003cbr\u003eproviding automatically a re-fill of the missing water.\u003cbr\u003eThis product has the peculiarity of being pre-adjustable. That means it can\u003cbr\u003ebe adjusted at a desired pressure value before the system filling stage.\u003cbr\u003eThe backflow preventer is inserted to prevent the contaminated water\u003cbr\u003eof the closed heating circuit from flowing back into the domestic water\u003cbr\u003esupply network, in compliance with EN 1717 standard prescriptions.\u003cbr\u003eThe device is proposed complete with pre-formed shell insulation and\u003cbr\u003ewith a compact dimension design to make its hydraulic installation easier.\u003c\/span\u003e\u003c\/div\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":55280080027977,"sku":"8016615225099","price":540.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/3829\/8185\/files\/574011_3.jpg?v=1788794699","url":"https:\/\/spatec.co.uk\/products\/automatic-filling-unit-with-ba-type-backflow-preventer","provider":"Spatec NI Ltd","version":"1.0","type":"link"}