{"product_id":"4-c500-dosy-c-fs","title":"4 C500-DOSY-C-FS","description":"\u003cp\u003eThis Colt™ 4 inch reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply due to backsiphonage or backpressure.\u003c\/p\u003e\u003cp\u003eIt is ideal for protecting health-hazard cross-connections such as on fire sprinkler systems and at service line entrances from contaminants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Design \u0026amp; Protection\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect continuous discharge from the relief valve.\u003c\/li\u003e\n\u003cli\u003eAn add-on connection kit (sold separately) is required to activate the flood sensor, enabling relay of alerts for potential flooding events.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003edomestic outside stem and yoke (OS\u0026amp;Y) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe assembly contains two independent \u003cstrong\u003eLink Check modules\u003c\/strong\u003e and a differential pressure relief valve.\u003c\/li\u003e\n\u003cli\u003eA \u003cstrong\u003emetered bypass\u003c\/strong\u003e with a cubic feet per minute meter helps detect underground leaks and unauthorized water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, approximately 70% lighter than traditional assemblies.\u003c\/li\u003e\n\u003cli\u003eUnmatched ease of serviceability with a patented link check for lowest pressure loss and replaceable check disc rubber.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing and sleeve\u003c\/strong\u003e are constructed from \u003cstrong\u003e304 (Schedule 40) stainless steel pipe\u003c\/strong\u003e with groove end connections.\u003c\/li\u003e\n\u003cli\u003eBottom-mounted \u003cstrong\u003ecast stainless steel relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eLead-free* bronze body test cocks.\u003c\/li\u003e\n\u003cli\u003eElastomers are made from \u003cstrong\u003eEPDM, silicone, and Buna 'N'\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e It is illegal to use this product in a plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Consult local water authority, building, and plumbing codes before installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796646338837,"sku":"F0206409","price":11181.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177721.jpg?v=1772725594","url":"https:\/\/www.backflowpreventer.com\/products\/4-c500-dosy-c-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}