{"title":"Backflow Devices - Ames - RPDA - Reduced Pressure Detector Assemblies - 4\" - C500 Series","description":null,"products":[{"product_id":"4-c500n-bfg-g-fs","title":"4 C500N-BFG-G-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 from entering the potable water supply due to backsiphonage or backpressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompact, modular design approved for \u003cstrong\u003ehorizontal N pattern installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e body with a quick access sleeve.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003etorsion spring check valves\u003c\/strong\u003e and \u003cstrong\u003egrooved gear operated butterfly valves\u003c\/strong\u003e with a tamper switch.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003ebronze body nickel plated test cocks\u003c\/strong\u003e and a corrosive resistant \u003cstrong\u003ebottom mounted stainless steel relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eComes with a \u003cstrong\u003egallon per minute (GPM) meter\u003c\/strong\u003e to detect underground leaks and unauthorized water use.\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eAn add-on connection kit (sold separately) activates the sensor to relay alerts for potential flooding events via BMS, cellular communication, or the Sensor Control Monitor (RS-485 Modbus or Nexa® Wi-Fi).\u003c\/li\u003e\n\u003cli\u003eLink checks feature \u003cstrong\u003ereversible elastomer discs\u003c\/strong\u003e for drip-tight closure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796630544661,"sku":"F0191466","price":12377.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177013.jpg?v=1772725001"},{"product_id":"4-lfc500n-osy-c-fs","title":"4 LFC500N-OSY-C-FS","description":"\u003cp\u003eThis Colt™ 4 inch lead free reduced pressure detector backflow preventer assembly provides crucial protection to potable water systems. It is engineered to prevent the reverse flow of non-potable fire protection substances and water from being pumped or siphoned back into the potable water supply due to backsiphonage or backpressure.\u003c\/p\u003e\u003cp\u003eThe compact modular design is approved for \u003cstrong\u003ehorizontal N pattern installation\u003c\/strong\u003e. This assembly features a \u003cstrong\u003estainless steel body\u003c\/strong\u003e with a quick access sleeve, torsion spring check valves, \u003cstrong\u003eoutside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e, and corrosive resistant bottom mounted pressure relief valve. It includes a \u003cstrong\u003ecubic feet per minute (CFM) meter\u003c\/strong\u003e to detect underground leaks and unauthorized water use. A built-in \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges from the relief valve, and when paired with an add-on connection kit, can relay alerts for potential flooding events.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, approximately 70% lighter than traditional designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 304 (Schedule 40) stainless steel\u003c\/strong\u003e housing and sleeve for durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e facilitate integral pipeline adjustment\u003c\/li\u003e\n\u003cli\u003ePatented link check for \u003cstrong\u003elowest pressure loss\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUnmatched ease of serviceability with \u003cstrong\u003ereplaceable check disc rubber\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBottom-mounted cast stainless steel relief valve\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetered bypass\u003c\/strong\u003e (CFM meter) to detect leakage or theft of water from the fire sprinkler system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor on the relief valve for flood detection\u003c\/strong\u003e with SentryPlus Alert® technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood alert feature\u003c\/strong\u003e activated by an add-on sensor connection kit (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated supervisory switch\u003c\/strong\u003e on each gate valve of the OS\u0026amp;Y model\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796634280213,"sku":"F0124646","price":12032.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177171.jpg?v=1772725141"},{"product_id":"4-lfc500z-bfg-g-fs","title":"4 LFC500Z-BFG-G-FS","description":"\u003cp\u003eThe Colt 4 inch lead free reduced pressure detector backflow preventer assembly is engineered to prevent the reverse flow of non-potable water and fire protection substances into the potable water supply due to backsiphonage or backpressure.\u003c\/p\u003e\u003cp\u003eThis compact and modular assembly features a \u003cstrong\u003eZ pattern horizontal installation\u003c\/strong\u003e and is constructed with a \u003cstrong\u003eType 304 (Schedule 40) stainless steel\u003c\/strong\u003e housing and sleeve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eComponents \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes \u003cstrong\u003etwo independent Link Check modules\u003c\/strong\u003e with reversible elastomer discs for drip tight closure against reverse flow.\u003c\/li\u003e\n\u003cli\u003eA differential pressure relief valve is centrally located between the check modules.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003etwo drip tight shutoff valves\u003c\/strong\u003e and necessary \u003cstrong\u003etest cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eA bypass assembly with a \u003cstrong\u003egallon per minute meter\u003c\/strong\u003e is furnished to detect underground leaks and unauthorized water usage.\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003egrooved gear operated butterfly valves with tamper switch\u003c\/strong\u003e for reliable shutoff.\u003c\/li\u003e\n\u003cli\u003eAn integrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects continuous discharge from the relief valve, signaling potential flooding events.\u003c\/li\u003e\n\u003cli\u003eAn add-on sensor connection kit can extend flood monitoring, integrating with building management systems (BMS), cellular communication, or the Sensor Control Monitor for BAS\/Nexa platform via Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation Note:\u003c\/strong\u003e \u003cem\u003eIt is imperative to read all instructions and product safety information before installation. 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Without the connection kit, the flood sensor is a passive component and will not communicate with any other device.\u003c\/em\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796636147989,"sku":"F0124660","price":12032.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177253.jpg?v=1772725206"},{"product_id":"4-c500z-osy-g-fs","title":"4 C500Z-OSY-G-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\u003eThis compact, modular assembly is approved for horizontal Z pattern installation and includes a flood sensor with SentryPlus Alert® technology for detecting excessive relief valve discharges.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePrimary Use\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides protection to drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements for health-hazard non-potable service applications such as irrigation, fire line, or industrial processing.\u003c\/li\u003e\n\u003cli\u003eMonitors unauthorized use of water from the fire protection system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, 70% lighter than traditional designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e housing and sleeve.\u003c\/li\u003e\n\u003cli\u003eGroove fittings for \u003cstrong\u003eintegral pipeline adjustment\u003c\/strong\u003e and easy installation.\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003elink check\u003c\/strong\u003e for lowest pressure loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched ease of serviceability\u003c\/strong\u003e with replaceable check disc rubber.\u003c\/li\u003e\n\u003cli\u003eBottom-mounted \u003cstrong\u003ecast stainless steel relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMetered bypass to detect leakage or theft of water from the fire sprinkler system.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003eOS\u0026amp;Y resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003ehorizontal Z pattern installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFlood Sensor \u0026amp; Monitoring\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003eflood sensor\u003c\/strong\u003e with SentryPlus Alert® technology to detect continuous discharge from the relief valve.\u003c\/li\u003e\n\u003cli\u003eAn \u003cstrong\u003eadd-on sensor connection kit\u003c\/strong\u003e is required to activate the flood sensor and enable alerts.\u003c\/li\u003e\n\u003cli\u003eSensor Control Monitor integrates smart devices with BAS via RS‑485 Modbus or the Nexa® platform through Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eA WARNING: 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. Before installing standard material product, consult your local water authority, building and plumbing codes.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796636377365,"sku":"F0191338","price":10924.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177263.jpg?v=1772725217"},{"product_id":"4-c500-osy-c-fs","title":"4 C500-OSY-C-FS","description":"\u003cp\u003eThe Colt™ 4 inch reduced pressure detector backflow preventer assembly is engineered to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply, addressing backsiphonage and backpressure risks.\u003c\/p\u003e\u003cp\u003eIt is ideal for cross-connections identified as health hazards, such as fire sprinkler systems and other contaminants at the service line entrance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eIt is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing or using this industrial product, consult your local water authority, building and plumbing codes.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a flood sensor with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to detect continuous discharge from the relief valve, with add-on connection kit options for extended monitoring.\u003c\/li\u003e\n\u003cli\u003eComposed of a \u003cstrong\u003e304 (Schedule 40) stainless steel\u003c\/strong\u003e body with a quick access sleeve, torsion spring check valves, and \u003cstrong\u003eoutside stem and yoke resilient seated gate valves (OSY)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a corrosive resistant \u003cstrong\u003ebottom-mounted pressure relief valve\u003c\/strong\u003e and \u003cstrong\u003elead-free bronze test cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFurnished with a \u003cstrong\u003ecubic feet per minute meter\u003c\/strong\u003e to detect underground leaks and unauthorized water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove couplings\u003c\/strong\u003e allow for easy installation and pipe alignment.\u003c\/li\u003e\n\u003cli\u003eIntegrated supervisory switch available as an option on each gate valve of the OS\u0026amp;Y model.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796636573973,"sku":"F0191308","price":9894.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177273.jpg?v=1772725224"},{"product_id":"4-lfc500z-osy-c-fs","title":"4 LFC500Z-OSY-C-FS","description":"\u003cp\u003eThe Colt™ 4 inch lead free reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to \u003cstrong\u003ebacksiphonage\u003c\/strong\u003e and or \u003cstrong\u003ebackpressure\u003c\/strong\u003e. This compact modular assembly is approved for \u003cstrong\u003ehorizontal Z pattern installation\u003c\/strong\u003e and includes an integrated flood sensor to detect excessive water discharges.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e construction to comply with Lead Free installation requirements; the wetted surface of this product 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 and 70% lighter than traditional designs.\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve constructed from \u003cstrong\u003eType 304 (Schedule 40) stainless steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003eOSY (Outside Stem and Yoke) resilient seated gate valves\u003c\/strong\u003e and corrosive resistant bottom mounted pressure relief valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented link check\u003c\/strong\u003e for lowest pressure loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetered bypass\u003c\/strong\u003e (cubic feet per minute) to detect leakage or theft of water from the fire sprinkler system.\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e on the relief valve for flood detection.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eAn add-on sensor connection kit is required to activate the flood sensor. Without the connection kit, the flood sensor is a passive component and will not communicate with any other device.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796637360405,"sku":"F0124655","price":12032.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177312.jpg?v=1772725258"},{"product_id":"4-c500-dosy-g-fs","title":"4 C500-DOSY-G-FS","description":"\u003cp\u003eThis Colt™ 4 inch \u003cstrong\u003eSeries C500 Reduced Pressure Detector Backflow Preventer Assembly\u003c\/strong\u003e 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. It is ideal for protecting against cross-connections identified as health hazards, such as in fire sprinkler systems and at the service line entrance.\u003c\/p\u003e\u003cp\u003eThe assembly includes an integrated flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve, providing an early warning system for potential flooding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 inch\u003c\/strong\u003e stainless steel body with quick access sleeve and \u003cstrong\u003egrooved end connections\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eTwo independent \u003cstrong\u003eLink Check modules\u003c\/strong\u003e with patented link check for lowest pressure loss.\u003c\/li\u003e\n\u003cli\u003eTwo drip-tight \u003cstrong\u003edomestic Outside Stem and Yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003esupervisory switches\u003c\/strong\u003e on each gate valve (for OSY model).\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant \u003cstrong\u003ebottom-mounted cast stainless steel relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect continuous discharge from the relief valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetered bypass\u003c\/strong\u003e with a gallon per minute meter to detect leakage or unauthorized water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-free bronze body nickel-plated test cocks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eExtremely compact design that is \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional designs.\u003c\/li\u003e\n\u003cli\u003eUnmatched \u003cstrong\u003eease of serviceability\u003c\/strong\u003e with replaceable check disc rubber.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eA WARNING: 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. 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It is ideal for protection at cross-connections identified as health hazards, such as on fire sprinkler systems and from other contaminants found at the service line entrance.\u003cp\u003eThis compact modular design consists of a stainless steel body with a quick access sleeve, link check valves, domestic outside stem and yoke (OSY) resilient seated gate valves, test cocks, and a corrosive resistant bottom-mounted pressure relief valve. The assembly comes furnished with a bypass without a meter to detect underground leaks and unauthorized water use. This backflow assembly contains a flood sensor with SentryPlus Alert® technology to detect excessive water discharges from the relief valve. When paired with an add-on connection kit, the sensor is activated to relay alerts for potential flooding events.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides protection to the potable water system from contamination in accordance with national plumbing codes\u003c\/li\u003e\n\u003cli\u003eUtilized in health-hazard applications to protect against backsiphonage, backpressure, and the fouling of either check valve\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstron\u003eLead Free\u003c\/stron\u003e* construction to comply with Lead Free* installation requirements\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstron\u003eflood sensor\u003c\/stron\u003e with \u003cstron\u003eSentryPlus Alert® technology\u003c\/stron\u003e to detect continuous discharge from the relief valve\u003c\/li\u003e\n\u003cli\u003eFlood sensor relays a signal that triggers a multichannel alert (call, email, text) to notify personnel about potential flooding (with add-on sensor connection kit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstron\u003eExtremely compact design\u003c\/stron\u003e and 70% lighter than traditional designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstron\u003eType 304 (Schedule 40) stainless steel\u003c\/stron\u003e housing and sleeve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstron\u003eGroove fittings\u003c\/stron\u003e for integral pipeline adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstron\u003ePatented link check\u003c\/stron\u003e for lowest pressure loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstron\u003eUnmatched ease of serviceability\u003c\/stron\u003e with replaceable check disc rubber\u003c\/li\u003e\n\u003cli\u003eAvailable with domestic \u003cstron\u003eOSY resilient seated gate valves\u003c\/stron\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstron\u003eBottom-mounted cast stainless steel relief valve\u003c\/stron\u003e\u003c\/li\u003e\n\u003cli\u003eBypass without a meter to detect leakage or theft of water from the fire sprinkler system\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\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eAn add-on connection kit is required to activate the flood sensor. 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