{"product_id":"4-lf757ndcda-dosy-gpm","title":"4 LF757NDCDA-DOSY-GPM","description":"\u003cp\u003eThis \u003cstrong\u003e4 inch Lead Free N Pattern Double Check Detector Backflow Preventer Assembly\u003c\/strong\u003e is engineered to prevent the reverse flow of non-potable water and fire protection substances from entering the potable water supply. It is specifically designed for \u003cstrong\u003enon-health hazard applications\u003c\/strong\u003e where backsiphonage or backpressure could occur.\u003c\/p\u003e\u003cp\u003eThis assembly is ideal for protecting \u003cstrong\u003ecross-connections\u003c\/strong\u003e in fire protection systems and other service line entrances where non-toxic contaminants might be present.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* construction\u003c\/strong\u003e: Wetted surface contacted by consumable water contains less than 0.25% of lead by weight\u003c\/li\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact modular design\u003c\/strong\u003e with a single access cover for ease of maintenance\u003c\/li\u003e\n\u003cli\u003eApproximately \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional designs for easier installation\u003c\/li\u003e\n\u003cli\u003eConstructed with \u003cstrong\u003e304 (Schedule 40) stainless steel housing and sleeve\u003c\/strong\u003e for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGallons per minute (GPM) metered bypass\u003c\/strong\u003e for detecting underground leaks and unauthorized water use\u003c\/li\u003e\n\u003cli\u003eGroove fittings enable \u003cstrong\u003eintegral pipeline adjustment\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUnique \u003cstrong\u003eTri-link check design\u003c\/strong\u003e provides the \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUngeared ease of serviceability\u003c\/strong\u003e, requiring no special tools\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003edomestic OSY (Outside Stem and Yoke) resilient seated gate valves\u003c\/strong\u003e and captured spring check valves\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003ehorizontal, vertical, or N pattern installations\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003efour test cocks\u003c\/strong\u003e and replaceable check disc rubber\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796729864469,"sku":"0792292","price":16327.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180480.jpg?v=1772727908","url":"https:\/\/www.backflowpreventer.com\/products\/4-lf757ndcda-dosy-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}