{"product_id":"4-c400n-osy-fs","title":"4 C400N-OSY-FS","description":"\u003cp\u003eThis Colt \u003cstrong\u003e4 inch lead free reduced pressure zone backflow preventer assembly\u003c\/strong\u003e is designed to protect potable water systems from contamination due to reverse flow from fire protection substances and non-potable water. It is ideal for protection in \u003cstrong\u003econtinuous pressure piping applications\u003c\/strong\u003e and at cross-connections identified as \u003cstrong\u003ehealth hazards\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThis assembly prevents backsiphonage and backpressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003eType 304 (Schedule 40) stainless steel housing and sleeve\u003c\/strong\u003e for durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eIncludes two independent \u003cstrong\u003eLink Check modules\u003c\/strong\u003e with torsion springs for easy serviceability.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003eresilient seated gate valves with outside stem and yoke (OSY) shutoffs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove couplings\u003c\/strong\u003e for easy installation and integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003eA bottom-mounted \u003cstrong\u003epressure relief valve\u003c\/strong\u003e and necessary \u003cstrong\u003etest cocks\u003c\/strong\u003e are included.\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003ehorizontal N-pattern installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFlood Detection \u0026amp; Alerts\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncorporates a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eWhen paired with an \u003cstrong\u003eadd-on connection kit\u003c\/strong\u003e (sold separately), the sensor is activated to relay alerts for potential flooding events.\u003c\/li\u003e\n\u003cli\u003eConnection kit options allow for integration with \u003cstrong\u003eBMS\u003c\/strong\u003e, \u003cstrong\u003ecellular communication\u003c\/strong\u003e, or the \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e, which enables connectivity with \u003cstrong\u003eBAS via RS-485 Modbus\u003c\/strong\u003e or the \u003cstrong\u003eNexa® platform through Wi-Fi\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eOS\u0026amp;Y model\u003c\/strong\u003e includes an option for an \u003cstrong\u003eintegrated supervisory switch\u003c\/strong\u003e on each gate valve.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, allowing for smaller enclosures.\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional designs.\u003c\/li\u003e\n\u003cli\u003ePatented link check for \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable check disc rubber\u003c\/strong\u003e for extended lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796634050837,"sku":"F0191278","price":9384.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177160.jpg?v=1772725132","url":"https:\/\/www.backflowpreventer.com\/products\/4-c400n-osy-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}