{"product_id":"4-c400n-dosy-fs","title":"4 C400N-DOSY-FS","description":"\u003cp\u003eThis Colt™ 4 inch \u003cstrong\u003estainless steel reduced pressure zone (RPZ) backflow preventer assembly\u003c\/strong\u003e provides critical protection to potable water systems. It prevents the reverse flow of fire protection substances and non-potable water into the drinking water supply, safeguarding against backsiphonage and backpressure in continuous pressure piping applications and health hazard cross-connections.\u003c\/p\u003e\u003cp\u003eThe assembly features a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e, designed to detect excessive water discharges from the relief valve. When paired with an optional add-on connection kit, the sensor activates to relay multichannel alerts (call, email, text) to notify personnel about potential flooding events.\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 to comply with lead-free installation requirements\u003c\/li\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact design\u003c\/strong\u003e, 70% lighter than traditional designs\u003c\/li\u003e\n\u003cli\u003eType 304 (Schedule 40) \u003cstrong\u003estainless steel housing and sleeve\u003c\/strong\u003e for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e for integral pipeline adjustment and ease of installation\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003elink check modules\u003c\/strong\u003e for lowest pressure loss and unmatched ease of serviceability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e for drip-tight shutoff\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated supervisory switch as an option on each gate valve of the OS\u0026amp;Y model\u003c\/li\u003e\n\u003cli\u003eConfigurable for \u003cstrong\u003ehorizontal N-pattern installation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eReversible elastomer check discs (silicone or EPDM)\u003c\/li\u003e\n\u003cli\u003eSensor on relief valve for \u003cstrong\u003eflood detection\u003c\/strong\u003e with SentryPlus Alert® technology\u003c\/li\u003e\n\u003c\/ul\u003e\u003cem\u003eAn add-on connection kit is required to activate the flood sensor's communication features. Without the kit, the sensor is passive and will not communicate with other devices.\u003c\/em\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796647125269,"sku":"F0206389","price":10598.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177748.jpg?v=1772725620","url":"https:\/\/www.backflowpreventer.com\/products\/4-c400n-dosy-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}