{"title":"Dual Checks","description":"","products":[{"product_id":"legend-valve-105-106nl-swing-check-valve-1-1-4-inch-brass-1-pack","title":"Legend Valve 105-106NL Swing Check Valve 1-1\/4 Inch Brass - 1 Pack","description":"The Legend Valve 312-006NL is a 1-1\/4-inch no-lead bronze adapter with insert x MNPT connections. It is designed for use in potable water systems and provides a secure connection between polyethylene tubing and threaded fittings.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLead-free design is suitable for all state and pending US federal public law (111-380) potable water installations\u003c\/li\u003e\n\u003cli\u003eManufactured using the latest technologies for material consistency and dimensional tolerances\u003c\/li\u003e\n\u003cli\u003eThey're cast using an electric induction furnace, to ensure that the material is at optimum casting temperature longer\u003c\/li\u003e\n\u003cli\u003e1-1\/4\" no-lead bronze insert x MNPT adapter for connecting polyethylene tubing to threaded fittings, ensuring a secure and leak-free connection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Legend Valve","offers":[{"title":"Default Title","offer_id":43931495727155,"sku":"LEG114INHOBABR","price":27.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/nlbronzeinsxmnptadapter_99669f10-8d71-4a10-bcad-052b86b7dac2.png?v=1771878066"},{"product_id":"woodford-50ha-ch-high-flow-double-check-backflow-preventer-outdoor-chrome","title":"Woodford 50HA-CH High-Flow Double Check Backflow Preventer Outdoor Chrome","description":"The Woodford 50HA-CH is a chrome-plated backflow preventer designed to protect hose connections from backflow contamination in freezing and non-freezing conditions. It features two independent check valves with molded rubber diaphragms and drains automatically when the hose is removed.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eChrome-plated backflow preventer\u003c\/li\u003e\n\u003cli\u003eTwo independent check valves with molded rubber diaphragms\u003c\/li\u003e\n\u003cli\u003eAutomatic draining when hose is removed\u003c\/li\u003e\n\u003cli\u003ePrevents backflow contamination\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WOODFORD","offers":[{"title":"Default Title","offer_id":43931525709875,"sku":"WOOD50HACH","price":43.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/51EEbcC2FFL.jpg?v=1772569810"},{"product_id":"woodford-50hf-br-high-flow-double-check-backflow-preventer-outdoor-brass","title":"Woodford 50HF-BR High-Flow Double Check Backflow Preventer Outdoor Brass","description":"The Woodford 50HF-BR is a high-flow double check backflow preventer designed to protect hose connections from backflow contamination in both freezing and non-freezing conditions. This device automatically drains when the hose is removed, preventing water from freezing inside the hydrant. It features two independent check valves with molded rubber diaphragms and is ASSE 1052 approved. The brass construction ensures durability and longevity.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow double check backflow preventer\u003c\/li\u003e\n\u003cli\u003eAutomatic draining when hose is removed\u003c\/li\u003e\n\u003cli\u003eTwo independent check valves with molded rubber diaphragms\u003c\/li\u003e\n\u003cli\u003eBrass construction for durability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WOODFORD","offers":[{"title":"Default Title","offer_id":43931525939251,"sku":"WOOD50HFBR","price":38.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WOO-50HF-BR01.jpg?v=1771878936"},{"product_id":"wilkins-zurn-double-check-backflow-preventer-2-350xl","title":"Wilkins Zurn Double Check Backflow Preventer - 2-350XL","description":"The 2 in. 350XL Double Check Valve Assembly is used in low health hazard, potable water applications for protection against both backsiphonage and backpressure of polluted water. A favorite for plumbing contractors, the patented and innovative EZSwap removable pressure vessel allows for simple, cost-effective maintenance and repairs, straightforward line flushing, quick winterization, Safe Drinking Water Act compliant design, and added water savings. Its stainless steel shut-off valve handles, hardware, and struts are corrosion-resistant and the durable UV resistant reinforced nylon EZSwap Pressure Vessel resists corrosion and mineral build-up to better withstand harsh outdoor conditions.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eTop-mounted test cocks allow for easy installation\u003c\/li\u003e\n\u003cli\u003eEZSwap pressure vessel reduces repair time and costs\u003c\/li\u003e\n\u003cli\u003eFlush Tool (FLUSH) provides easy line flushing, saving up to 15 minutes per installation\u003c\/li\u003e\n\u003cli\u003eConstruction offers corrosion-resistance and winterization\u003c\/li\u003e\n\u003cli\u003eLow-lead law compliant\u003c\/li\u003e\n\u003cli\u003eASSE Listed 1015\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WILKINS","offers":[{"title":"Default Title","offer_id":43931808792627,"sku":"WIL2350","price":1442.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/2437915.jpg?v=1771874921"},{"product_id":"watts-9d-m3-dual-check-valve-1-2-inch-atmospheric-vent-10-pack","title":"Watts 9D M3 Dual Check Valve 1\/2 Inch Atmospheric Vent - 10 Pack","description":"10 Pack \u003cp\u003eThe Watts 9D M3 Dual Check Valves with Intermediate Atmospheric Vent are your reliable defense against backflow and potential water contamination. If you prioritize the purity and safety of your water supply, these dual check valves are a vital addition to your plumbing system.\u003c\/p\u003e\n\u003ch2\u003eWatts 9D M3 1\/2\" Dual Check Valves with Intermediate Atmospheric Vent\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMPN:\u003c\/b\u003e 88006822\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Inline\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Union Solder\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 1\/2\" (15mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 33F - 250F (0.5C - 121C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 175 PSI (12.10 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEAN:\u003c\/b\u003e 098268290417\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Socket\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure and Back-siphonage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003eBackflow preventer features effortless horizontal or vertical installation for immediate peace of mind\u003c\/li\u003e\n\u003cli\u003eProvides reliable backflow prevention and safeguard your water supply\u003c\/li\u003e\n\u003cli\u003eIntermediate atmospheric vent maintains consistent pressure prevent back-siphonage for enhanced performance and versatility of your valve\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eLead free forged brass body for durability and longevity\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eNPT Female inlet and outlet\u003c\/li\u003e\n\u003cli\u003e1\/2 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProtect Your Water Supply with Watts\u003c\/h2\u003e\n\u003cp\u003eThis 1\/2 inch lead free dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.\u003c\/p\u003e\n\u003cp\u003eGuard your water supply with Watts 9D M3 1\/2\" Dual Check Valves, and rest easy knowing that your water remains uncontaminated and safe. Bid farewell to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss the opportunity to fortify your plumbing system's security and reliability. Choose Watts 9D M3 Dual Check Valves and ensure the purity and safety of your water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eWant to learn more about these dual check valves? Read our blog about \u003ca href=\"https:\/\/plumbing-deals.com\/plumbing-blog\/pumps-water-heaters-and-boilers-boiler-system-repairs\/\"\u003eboiler repair parts here.\u003c\/a\u003e\u003c\/p\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931813183539,"sku":"WAT88006822x10","price":806.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT88006822x10_ebvehv.png?v=1771883210"},{"product_id":"watts-0061667-sd-3-dual-check-valve-3-8-inch-atmospheric-port-2-pack","title":"Watts 0061667 SD-3 Dual Check Valve 3\/8 Inch Atmospheric Port - 2 Pack","description":"2 Pack \u003cp\u003eThe Watts 0061667 Series SD-3 Dual Check Valve with Atmospheric Port in 3\/8\" (SD3-FN) is the ultimate solution for safeguarding your water supply from backflow and contamination. This Watts Backflow Preventer protects your potable water source and maintains a clean, safe environment. \u003c\/p\u003e\n\u003ch2\u003eWatts 0061667 Series SD-3\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer #:\u003c\/b\u003e 0061667\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Noryl\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 54�F - 130�F  (12�C - 54�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 150 PSI  (10.30 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Santoprene\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEANUCC Code:\u003c\/b\u003e 098268868623\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 3\/8\" (10MM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e YES\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 3\/8\" \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 0061667\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeries:\u003c\/b\u003e SD-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnd Style:\u003c\/b\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMedia:\u003c\/b\u003e Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApproved for Commercial Use:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuy American Act Compliant:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e Standard 18\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWidth:\u003c\/b\u003e 4-1\/2�\u003c\/li\u003e\n\u003cli\u003eEnsure reliable backflow prevention and safeguard your water supply.\u003c\/li\u003e\n\u003cli\u003eBenefit from the atmospheric port for enhanced performance and versatility.\u003c\/li\u003e\n\u003cli\u003eBackflow preventer is compliant with ANSI\/NSF Standard 18, designed for Manual Food and Beverage Dispensing Equipment\u003c\/li\u003e\n\u003cli\u003ePasses ASSE 1022 standards, featuring a Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003eBackflow preventer valve is constructed from 316 stainless steel, providing strong resistance against corrosion and long-lasting solution for your plumbing needs\u003c\/li\u003e\n\u003cli\u003eAll included rubber materials are in line with FDA regulations for food additives\u003c\/li\u003e\n\u003cli\u003eDesigned with a streamlined body that effectively reduces pressure loss and prevents cavitation\u003c\/li\u003e\n\u003cli\u003eFeatures an atmospheric port for clear visual alerts in case of the second check's failure\u003c\/li\u003e\n\u003cli\u003eIncludes an efficient strainer\u003c\/li\u003e\n\u003cli\u003eCan be effortlessly installed in either a vertical or horizontal position\u003c\/li\u003e\n\u003cli\u003eFeatures a Wye pattern strainer model, optimal for water supply installations\u003c\/li\u003e\n\u003cli\u003eAssures safe consumption, as the surfaces in contact with potable water contain less than 0.25% lead by weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Ultimate Solution for Backflow Prevention\u003c\/h2\u003e\n\u003cp\u003eThe Watts SD-3 series features the Watts 0061667, a 3\/8\" Dual Check Valve with an Atmospheric Port. Specifically designed for Carbonated Beverage Machines, it prevents backflow and protects the water supply from corrosive substances like carbon dioxide gas and carbonated water. This dual check valve is suitable for post-mix beverage systems, providing efficient filtering and easy visual indication of check failure. Ideal for continuous or intermittent pressure applications, it ensures the safety and quality of potable water.\u003c\/p\u003e\n\u003cp\u003eThe Watts SD-3 Dual Check Valve is meticulously engineered to safeguard your potable water from contamination by preventing unwanted water flow reversal. With its innovative atmospheric port, this valve ensures consistent pressure and eliminates back-siphonage, making it the perfect choice for a wide range of applications. Crafted from premium materials, this valve is built to withstand the test of time, guaranteeing years of reliable backflow prevention and peace of mind. Installing the SD-3 Dual Check Valve is a breeze, saving you valuable time and effort. Experience hassle-free integration into your plumbing system with this top-notch valve.\u003c\/p\u003e\n\u003cp\u003eProtect your potable water supply with the Watts 0061667 Series SD-3 Dual Check Valve, and rest easy knowing that your water remains uncontaminated and safe. Say goodbye to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss the opportunity to make your plumbing system more secure and reliable. Choose the Watts SD-3 Dual Check Valve and ensure uninterrupted water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/11996-source\/1915234-pdf\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/20478-source\/es-sd3-pdf\"\u003eSpecification Sheet\u003c\/a\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931813118003,"sku":"WAT0061667x2","price":677.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT0061667x2_t3vetp_067f2d08-c675-43b3-a793-a06bb1e54c30.png?v=1779788682"},{"product_id":"watts-0061667-sd-3-dual-check-valve-3-8-inch-atmospheric-port-10-pack","title":"Watts 0061667 SD-3 Dual Check Valve 3\/8 Inch Atmospheric Port - 10 Pack","description":"10 Pack \u003cp\u003eThe Watts 0061667 Series SD-3 Dual Check Valve with Atmospheric Port in 3\/8\" (SD3-FN) is the ultimate solution for safeguarding your water supply from backflow and contamination. This Watts Backflow Preventer protects your potable water source and maintains a clean, safe environment. \u003c\/p\u003e\n\u003ch2\u003eWatts 0061667 Series SD-3\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer #:\u003c\/b\u003e 0061667\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Noryl\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 54�F - 130�F  (12�C - 54�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 150 PSI  (10.30 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Santoprene\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEANUCC Code:\u003c\/b\u003e 098268868623\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 3\/8\" (10MM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e YES\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 3\/8\" \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 0061667\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeries:\u003c\/b\u003e SD-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnd Style:\u003c\/b\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMedia:\u003c\/b\u003e Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApproved for Commercial Use:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuy American Act Compliant:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e Standard 18\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWidth:\u003c\/b\u003e 4-1\/2�\u003c\/li\u003e\n\u003cli\u003eEnsure reliable backflow prevention and safeguard your water supply.\u003c\/li\u003e\n\u003cli\u003eBenefit from the atmospheric port for enhanced performance and versatility.\u003c\/li\u003e\n\u003cli\u003eBackflow preventer is compliant with ANSI\/NSF Standard 18, designed for Manual Food and Beverage Dispensing Equipment\u003c\/li\u003e\n\u003cli\u003ePasses ASSE 1022 standards, featuring a Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003eBackflow preventer valve is constructed from 316 stainless steel, providing strong resistance against corrosion and long-lasting solution for your plumbing needs\u003c\/li\u003e\n\u003cli\u003eAll included rubber materials are in line with FDA regulations for food additives\u003c\/li\u003e\n\u003cli\u003eDesigned with a streamlined body that effectively reduces pressure loss and prevents cavitation\u003c\/li\u003e\n\u003cli\u003eFeatures an atmospheric port for clear visual alerts in case of the second check's failure\u003c\/li\u003e\n\u003cli\u003eIncludes an efficient strainer\u003c\/li\u003e\n\u003cli\u003eCan be effortlessly installed in either a vertical or horizontal position\u003c\/li\u003e\n\u003cli\u003eFeatures a Wye pattern strainer model, optimal for water supply installations\u003c\/li\u003e\n\u003cli\u003eAssures safe consumption, as the surfaces in contact with potable water contain less than 0.25% lead by weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Ultimate Solution for Backflow Prevention\u003c\/h2\u003e\n\u003cp\u003eThe Watts SD-3 series features the Watts 0061667, a 3\/8\" Dual Check Valve with an Atmospheric Port. Specifically designed for Carbonated Beverage Machines, it prevents backflow and protects the water supply from corrosive substances like carbon dioxide gas and carbonated water. This dual check valve is suitable for post-mix beverage systems, providing efficient filtering and easy visual indication of check failure. Ideal for continuous or intermittent pressure applications, it ensures the safety and quality of potable water.\u003c\/p\u003e\n\u003cp\u003eThe Watts SD-3 Dual Check Valve is meticulously engineered to safeguard your potable water from contamination by preventing unwanted water flow reversal. With its innovative atmospheric port, this valve ensures consistent pressure and eliminates back-siphonage, making it the perfect choice for a wide range of applications. Crafted from premium materials, this valve is built to withstand the test of time, guaranteeing years of reliable backflow prevention and peace of mind. Installing the SD-3 Dual Check Valve is a breeze, saving you valuable time and effort. Experience hassle-free integration into your plumbing system with this top-notch valve.\u003c\/p\u003e\n\u003cp\u003eProtect your potable water supply with the Watts 0061667 Series SD-3 Dual Check Valve, and rest easy knowing that your water remains uncontaminated and safe. Say goodbye to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss the opportunity to make your plumbing system more secure and reliable. Choose the Watts SD-3 Dual Check Valve and ensure uninterrupted water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/11996-source\/1915234-pdf\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/20478-source\/es-sd3-pdf\"\u003eSpecification Sheet\u003c\/a\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931813412915,"sku":"WAT0061667x10","price":3387.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT0061667x10_wsqfra.png?v=1779788682"},{"product_id":"watts-88006832-lf9d-m2-dual-check-valve-3-4-inch-atmospheric-vent-5-pack","title":"Watts 88006832 LF9D-M2 Dual Check Valve 3\/4 Inch Atmospheric Vent - 5 Pack","description":"5 Pack \u003cp\u003eThe Watts 88006832 Dual Check Valve with Intermediate Atmospheric Vent, LF9D-M2, is your trustworthy defense against backflow and potential water contamination. If you prioritize the purity and safety of your water supply, this dual check valve is an essential addition to your plumbing system. \u003c\/p\u003e\n\u003ch2\u003eWatts 88006832 LF9D-M2 3\/4 inch Dual Check Valve with Atmospheric Vent Features\u003ch2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMPN:\u003c\/b\u003e 88006832\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Lead Free Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Inline\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Union Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 3\/4\" (20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 33�F - 250�F (0.5�C - 121�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 175 PSI (12.10 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Union Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure and Back-siphonage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003eProvides reliable backflow prevention to safeguard your potable water supply\u003c\/li\u003e\n\u003cli\u003eIntermediate atmospheric vent maintains consistent pressure, prevents back-siphonage, and makes your valve versatile\u003c\/li\u003e\n\u003cli\u003eEnjoy a durable and long-lasting solution for your plumbing needs\u003c\/li\u003e\n\u003cli\u003eEffortless horizontal or vertical installation for immediate peace of mind\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eLead free forged brass body for durability and reliability\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eNPT Female inlet and outlet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrading Your Water Supply with Watts\u003c\/h2\u003e\n\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003eThis 3\/4 inch lead-free dual check valve backflow preventer with atmospheric vent is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It is perfect for continuous pressure non-health hazard applications in smaller supply lines, including laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. With its lead-free forged brass body, stainless steel internal parts, integral strainer, and two durable tight seating rubber check valve backflow preventers, this valve guarantees reliability. The NPT female inlet and outlet connections ensure easy installation and compatibility.\u003c\/p\u003e\n\u003cp\u003eSafeguard your water supply with the Watts 88006832 3\/4\" Dual Check Valve with Intermediate Atmospheric Vent, LF9D-M2. Rest assured that your water will remain uncontaminated and safe. Say goodbye to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss out on fortifying the security and reliability of your plumbing system. Choose the Watts 88006832 Dual Check Valve to ensure the purity and safety of your water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/46175-source\/es-lf9d\"\u003eSpecification Sheet\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/46176-source\/pf-lf9d\"\u003eProduct Brochure\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/11907-source\/1910237-pdf\"\u003eInstallation Instructions\u003c\/a\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931813642291,"sku":"WAT88006832x5","price":409.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT88006832x5_ghabh4.png?v=1771883210"},{"product_id":"watts-0061667-sd-3-dual-check-valve-3-8-inch-atmospheric-port-5-pack","title":"Watts 0061667 SD-3 Dual Check Valve 3\/8 Inch Atmospheric Port - 5 Pack","description":"5 Pack \u003cp\u003eThe Watts 0061667 Series SD-3 Dual Check Valve with Atmospheric Port in 3\/8\" (SD3-FN) is the ultimate solution for safeguarding your water supply from backflow and contamination. This Watts Backflow Preventer protects your potable water source and maintains a clean, safe environment. \u003c\/p\u003e\n\u003ch2\u003eWatts 0061667 Series SD-3\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer #:\u003c\/b\u003e 0061667\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Noryl\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 54�F - 130�F  (12�C - 54�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 150 PSI  (10.30 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Santoprene\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEANUCC Code:\u003c\/b\u003e 098268868623\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 3\/8\" (10MM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e YES\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 3\/8\" \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 0061667\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeries:\u003c\/b\u003e SD-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnd Style:\u003c\/b\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMedia:\u003c\/b\u003e Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApproved for Commercial Use:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuy American Act Compliant:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStandards:\u003c\/b\u003e Standard 18\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWidth:\u003c\/b\u003e 4-1\/2�\u003c\/li\u003e\n\u003cli\u003eEnsure reliable backflow prevention and safeguard your water supply.\u003c\/li\u003e\n\u003cli\u003eBenefit from the atmospheric port for enhanced performance and versatility.\u003c\/li\u003e\n\u003cli\u003eBackflow preventer is compliant with ANSI\/NSF Standard 18, designed for Manual Food and Beverage Dispensing Equipment\u003c\/li\u003e\n\u003cli\u003ePasses ASSE 1022 standards, featuring a Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003eBackflow preventer valve is constructed from 316 stainless steel, providing strong resistance against corrosion and long-lasting solution for your plumbing needs\u003c\/li\u003e\n\u003cli\u003eAll included rubber materials are in line with FDA regulations for food additives\u003c\/li\u003e\n\u003cli\u003eDesigned with a streamlined body that effectively reduces pressure loss and prevents cavitation\u003c\/li\u003e\n\u003cli\u003eFeatures an atmospheric port for clear visual alerts in case of the second check's failure\u003c\/li\u003e\n\u003cli\u003eIncludes an efficient strainer\u003c\/li\u003e\n\u003cli\u003eCan be effortlessly installed in either a vertical or horizontal position\u003c\/li\u003e\n\u003cli\u003eFeatures a Wye pattern strainer model, optimal for water supply installations\u003c\/li\u003e\n\u003cli\u003eAssures safe consumption, as the surfaces in contact with potable water contain less than 0.25% lead by weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Ultimate Solution for Backflow Prevention\u003c\/h2\u003e\n\u003cp\u003eThe Watts SD-3 series features the Watts 0061667, a 3\/8\" Dual Check Valve with an Atmospheric Port. Specifically designed for Carbonated Beverage Machines, it prevents backflow and protects the water supply from corrosive substances like carbon dioxide gas and carbonated water. This dual check valve is suitable for post-mix beverage systems, providing efficient filtering and easy visual indication of check failure. Ideal for continuous or intermittent pressure applications, it ensures the safety and quality of potable water.\u003c\/p\u003e\n\u003cp\u003eThe Watts SD-3 Dual Check Valve is meticulously engineered to safeguard your potable water from contamination by preventing unwanted water flow reversal. With its innovative atmospheric port, this valve ensures consistent pressure and eliminates back-siphonage, making it the perfect choice for a wide range of applications. Crafted from premium materials, this valve is built to withstand the test of time, guaranteeing years of reliable backflow prevention and peace of mind. Installing the SD-3 Dual Check Valve is a breeze, saving you valuable time and effort. Experience hassle-free integration into your plumbing system with this top-notch valve.\u003c\/p\u003e\n\u003cp\u003eProtect your potable water supply with the Watts 0061667 Series SD-3 Dual Check Valve, and rest easy knowing that your water remains uncontaminated and safe. Say goodbye to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss the opportunity to make your plumbing system more secure and reliable. Choose the Watts SD-3 Dual Check Valve and ensure uninterrupted water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/11996-source\/1915234-pdf\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/20478-source\/es-sd3-pdf\"\u003eSpecification Sheet\u003c\/a\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931813904435,"sku":"WAT0061667x5","price":1693.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT0061667x2_t3vetp.png?v=1779716581"},{"product_id":"watts-9d-m3-dual-check-valve-1-2-inch-atmospheric-vent-5-pack","title":"Watts 9D M3 Dual Check Valve 1\/2 Inch Atmospheric Vent - 5 Pack","description":"5 Pack \u003cp\u003eThe Watts 9D M3 Dual Check Valves with Intermediate Atmospheric Vent are your reliable defense against backflow and potential water contamination. If you prioritize the purity and safety of your water supply, these dual check valves are a vital addition to your plumbing system.\u003c\/p\u003e\n\u003ch2\u003eWatts 9D M3 1\/2\" Dual Check Valves with Intermediate Atmospheric Vent\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMPN:\u003c\/b\u003e 88006822\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Inline\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Union Solder\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 1\/2\" (15mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 33�F - 250�F (0.5�C - 121�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 175 PSI (12.10 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEAN:\u003c\/b\u003e 098268290417\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Socket\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure and Back-siphonage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003eBackflow preventer features effortless horizontal or vertical installation for immediate peace of mind\u003c\/li\u003e\n\u003cli\u003eProvides reliable backflow prevention and safeguard your water supply\u003c\/li\u003e\n\u003cli\u003eIntermediate atmospheric vent maintains consistent pressure prevent back-siphonage for enhanced performance and versatility of your valve\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eLead free forged brass body for durability and longevity\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eNPT Female inlet and outlet\u003c\/li\u003e\n\u003cli\u003e1\/2 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProtect Your Water Supply with Watts\u003c\/h2\u003e\n\u003cp\u003eThis 1\/2 inch lead free dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.\u003c\/p\u003e\n\u003cp\u003eGuard your water supply with Watts 9D M3 1\/2\" Dual Check Valves, and rest easy knowing that your water remains uncontaminated and safe. Bid farewell to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss the opportunity to fortify your plumbing system's security and reliability. Choose Watts 9D M3 Dual Check Valves and ensure the purity and safety of your water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eWant to learn more about these dual check valves? Read our blog about \u003ca href=\"https:\/\/plumbing-deals.com\/plumbing-blog\/pumps-water-heaters-and-boilers-boiler-system-repairs\/\"\u003eboiler repair parts here.\u003c\/a\u003e\u003c\/p\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931814690867,"sku":"WAT88006822x5","price":410.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT88006822x5_hph4yv.png?v=1771883268"},{"product_id":"watts-9d-m3-dual-check-valve-1-2-inch-atmospheric-vent-2-pack","title":"Watts 9D M3 Dual Check Valve 1\/2 Inch Atmospheric Vent - 2 Pack","description":"2 Pack \u003cp\u003eThe Watts 9D M3 Dual Check Valves with Intermediate Atmospheric Vent are your reliable defense against backflow and potential water contamination. If you prioritize the purity and safety of your water supply, these dual check valves are a vital addition to your plumbing system.\u003c\/p\u003e\n\u003ch2\u003eWatts 9D M3 1\/2\" Dual Check Valves with Intermediate Atmospheric Vent\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMPN:\u003c\/b\u003e 88006822\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Inline\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Union Solder\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 1\/2\" (15mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 33�F - 250�F (0.5�C - 121�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 175 PSI (12.10 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEAN:\u003c\/b\u003e 098268290417\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Socket\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e Does Not Apply To Product\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure and Back-siphonage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003eBackflow preventer features effortless horizontal or vertical installation for immediate peace of mind\u003c\/li\u003e\n\u003cli\u003eProvides reliable backflow prevention and safeguard your water supply\u003c\/li\u003e\n\u003cli\u003eIntermediate atmospheric vent maintains consistent pressure prevent back-siphonage for enhanced performance and versatility of your valve\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eLead free forged brass body for durability and longevity\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eNPT Female inlet and outlet\u003c\/li\u003e\n\u003cli\u003e1\/2 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProtect Your Water Supply with Watts\u003c\/h2\u003e\n\u003cp\u003eThis 1\/2 inch lead free dual check valve backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber check valves, and NPT female inlet and outlet connections.\u003c\/p\u003e\n\u003cp\u003eGuard your water supply with Watts 9D M3 1\/2\" Dual Check Valves, and rest easy knowing that your water remains uncontaminated and safe. Bid farewell to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss the opportunity to fortify your plumbing system's security and reliability. Choose Watts 9D M3 Dual Check Valves and ensure the purity and safety of your water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003eWant to learn more about these dual check valves? Read our blog about \u003ca href=\"https:\/\/plumbing-deals.com\/plumbing-blog\/pumps-water-heaters-and-boilers-boiler-system-repairs\/\"\u003eboiler repair parts here.\u003c\/a\u003e\u003c\/p\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931814723635,"sku":"WAT88006822x2","price":170.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/31GNaWYOT1L._AC_7bac9e42-9797-4345-a13c-2941fd52bed5.jpg?v=1771883258"},{"product_id":"watts-88006832-lf9d-m2-dual-check-valve-3-4-inch-atmospheric-vent-2-pack","title":"Watts 88006832 LF9D-M2 Dual Check Valve 3\/4 Inch Atmospheric Vent - 2 Pack","description":"2 Pack \u003cp\u003eThe Watts 88006832 Dual Check Valve with Intermediate Atmospheric Vent, LF9D-M2, is your trustworthy defense against backflow and potential water contamination. If you prioritize the purity and safety of your water supply, this dual check valve is an essential addition to your plumbing system. \u003c\/p\u003e\n\u003ch2\u003eWatts 88006832 LF9D-M2 3\/4 inch Dual Check Valve with Atmospheric Vent Features\u003ch2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMPN:\u003c\/b\u003e 88006832\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Lead Free Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Inline\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Union Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 3\/4\" (20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 33�F - 250�F (0.5�C - 121�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 175 PSI (12.10 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Union Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure and Back-siphonage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003eProvides reliable backflow prevention to safeguard your potable water supply\u003c\/li\u003e\n\u003cli\u003eIntermediate atmospheric vent maintains consistent pressure, prevents back-siphonage, and makes your valve versatile\u003c\/li\u003e\n\u003cli\u003eEnjoy a durable and long-lasting solution for your plumbing needs\u003c\/li\u003e\n\u003cli\u003eEffortless horizontal or vertical installation for immediate peace of mind\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eLead free forged brass body for durability and reliability\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eNPT Female inlet and outlet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrading Your Water Supply with Watts\u003c\/h2\u003e\n\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003eThis 3\/4 inch lead-free dual check valve backflow preventer with atmospheric vent is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It is perfect for continuous pressure non-health hazard applications in smaller supply lines, including laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. With its lead-free forged brass body, stainless steel internal parts, integral strainer, and two durable tight seating rubber check valve backflow preventers, this valve guarantees reliability. The NPT female inlet and outlet connections ensure easy installation and compatibility.\u003c\/p\u003e\n\u003cp\u003eSafeguard your water supply with the Watts 88006832 3\/4\" Dual Check Valve with Intermediate Atmospheric Vent, LF9D-M2. Rest assured that your water will remain uncontaminated and safe. Say goodbye to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss out on fortifying the security and reliability of your plumbing system. Choose the Watts 88006832 Dual Check Valve to ensure the purity and safety of your water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/46175-source\/es-lf9d\"\u003eSpecification Sheet\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/46176-source\/pf-lf9d\"\u003eProduct Brochure\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/11907-source\/1910237-pdf\"\u003eInstallation Instructions\u003c\/a\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931815084083,"sku":"WAT88006832x2","price":169.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/WAT88006832x2_veqisf.png?v=1771883246"},{"product_id":"watts-88006832-lf9d-m2-dual-check-valve-3-4-inch-atmospheric-vent-10-pack","title":"Watts 88006832 LF9D-M2 Dual Check Valve 3\/4 Inch Atmospheric Vent - 10 Pack","description":"10 Pack \u003cp\u003eThe Watts 88006832 Dual Check Valve with Intermediate Atmospheric Vent, LF9D-M2, is your trustworthy defense against backflow and potential water contamination. If you prioritize the purity and safety of your water supply, this dual check valve is an essential addition to your plumbing system. \u003c\/p\u003e\n\u003ch2\u003eWatts 88006832 LF9D-M2 3\/4 inch Dual Check Valve with Atmospheric Vent Features\u003ch2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMPN:\u003c\/b\u003e 88006832\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e Lead Free Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Finish:\u003c\/b\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBody Pattern:\u003c\/b\u003e Inline\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Type:\u003c\/b\u003e Union Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Connection Size:\u003c\/b\u003e 3\/4\" (20 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackflow Preventer Type:\u003c\/b\u003e Dual Check with Atmospheric Vent\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBypass:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap And Tether:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisc Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElbow Fitting:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazard Protection Level:\u003c\/b\u003e Non Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHot And Harsh Water:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydrant Connection:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLead Free:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Range:\u003c\/b\u003e 33�F - 250�F (0.5�C - 121�C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Working Pressure:\u003c\/b\u003e 175 PSI (12.10 BAR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMeter Type:\u003c\/b\u003e No Meter\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Size:\u003c\/b\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Connection Type:\u003c\/b\u003e Union Female Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Shutoff Valve Type:\u003c\/b\u003e No Shutoff Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutlet Thread Type:\u003c\/b\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePolymer Coating:\u003c\/b\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Operation:\u003c\/b\u003e Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProtection Type:\u003c\/b\u003e Backpressure and Back-siphonage\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeat Material:\u003c\/b\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStrainer:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003cli\u003eProvides reliable backflow prevention to safeguard your potable water supply\u003c\/li\u003e\n\u003cli\u003eIntermediate atmospheric vent maintains consistent pressure, prevents back-siphonage, and makes your valve versatile\u003c\/li\u003e\n\u003cli\u003eEnjoy a durable and long-lasting solution for your plumbing needs\u003c\/li\u003e\n\u003cli\u003eEffortless horizontal or vertical installation for immediate peace of mind\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eLead free forged brass body for durability and reliability\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eNPT Female inlet and outlet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrading Your Water Supply with Watts\u003c\/h2\u003e\n\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003eThis 3\/4 inch lead-free dual check valve backflow preventer with atmospheric vent is designed to prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It is perfect for continuous pressure non-health hazard applications in smaller supply lines, including laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. With its lead-free forged brass body, stainless steel internal parts, integral strainer, and two durable tight seating rubber check valve backflow preventers, this valve guarantees reliability. The NPT female inlet and outlet connections ensure easy installation and compatibility.\u003c\/p\u003e\n\u003cp\u003eSafeguard your water supply with the Watts 88006832 3\/4\" Dual Check Valve with Intermediate Atmospheric Vent, LF9D-M2. Rest assured that your water will remain uncontaminated and safe. Say goodbye to the risks of backflow and back-siphonage, and welcome a cleaner, healthier environment. Don't miss out on fortifying the security and reliability of your plumbing system. Choose the Watts 88006832 Dual Check Valve to ensure the purity and safety of your water supply in your home or business.\u003c\/p\u003e\n\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/46175-source\/es-lf9d\"\u003eSpecification Sheet\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/46176-source\/pf-lf9d\"\u003eProduct Brochure\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/www.watts.ae\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/11907-source\/1910237-pdf\"\u003eInstallation Instructions\u003c\/a\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43931815149619,"sku":"WAT88006832x10","price":804.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/88006832-3_960148b7-6855-4b83-a6f1-247e85f151f9.jpg?v=1771883223"},{"product_id":"watts-3-4-double-check-valve-total-repair-kit-for-007m-0887724","title":"Watts 3\/4\" Double Check Valve Total Repair Kit, for 007M - 0887724","description":"This 3\/4 IN 007M2 total repair kit provides all the parts necessary to replace the major internal components of the applicable double Check Valve  assembly. This kit consists of a cover O-ring and two seats, seat O-rings, disc assemblies, springs, and check cages for both first and second checks. All parts are genuine and original to the valve.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFactory replacement parts\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing\u003c\/li\u003e\n\u003cli\u003eAll parts are made of high quality materials\u003c\/li\u003e\n\u003cli\u003eGenuine and original Watts parts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43932147351603,"sku":"WAT0887724","price":95.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/31KDhFOzzUL.jpg?v=1772570715"},{"product_id":"watts-0072204-dual-check-backflow-preventer-3-4-inch-union-fnpt-lead-free","title":"Watts 0072204 Dual Check Backflow Preventer 3\/4 Inch Union FNPT Lead Free","description":"This 3\/4 by 3\/4 IN lead free dual Check Valve  backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead free brass body construction, with two plastic replaceable Check Valve s, and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 psi (69 kPa) and maximum working pressure is 175 psi (12 bar).\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLead free brass body for durability\u003c\/li\u003e\n\u003cli\u003eCan be installed vertically or horizontally\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eMeets ANSI\/ASSE Standard 1024\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43932188016691,"sku":"WAT0072204","price":101.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/41EBnZtkpDL.jpg?v=1772570671"},{"product_id":"watts-series-007-double-check-backflow-preventer-1-2-inch-bronze-quarter-turn","title":"Watts Series 007 Double Check Backflow Preventer 1\/2 Inch Bronze Quarter Turn","description":"This 1\/2 inch double Check Valve  backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance. This assembly consists of a cast bronze body construction, NPT end connections, quarter turn ball valve shutoffs, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats. The double Check Valve  includes a freeze sensor for use with SentryPlus Alert technology to signal facility personnel when temperature nears and reaches the freezing point. Freeze alerts feature available with add-on connection kit for building management systems (BMS), irrigation management systems (IMS), and Wi-Fi networks.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eIncludes a freeze sensor for use with SentryPlus Alert technology to signal facility personnel when temperature nears and reaches the freezing point\u003c\/li\u003e\n\u003cli\u003eAvailable freeze sensor connection kit to activate a monitoring system that trigger alerts for low and freezing temperatures\u003c\/li\u003e\n\u003cli\u003eCast bronze body construction\u003c\/li\u003e\n\u003cli\u003eModular compact design\u003c\/li\u003e\n\u003cli\u003eReplaceable seats and seat discs\u003c\/li\u003e\n\u003cli\u003eTop entry\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43933542252595,"sku":"WATT062131","price":504.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/31-M8Vfxt0L.jpg?v=1772565130"},{"product_id":"watts-series-007-double-check-backflow-preventer-3-4-inch-bronze-quarter-turn","title":"Watts Series 007 Double Check Backflow Preventer 3\/4 Inch Bronze Quarter Turn","description":"This 3\/4 inch double Check Valve  assembly backflow preventer helps prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards and for contaminants at the service line entrance. This assembly consists of a cast bronze body construction, NPT end connections, quarter turn ball valve shutoffs, top mounted test cocks, two in-line independent positive seating check modules, replaceable check discs and seats, and captured springs. The double Check Valve  includes a freeze sensor for use with SentryPlus Alert technology to signal facility personnel when temperature nears and reaches the freezing point. Freeze alerts feature available with add-on connection kit for building management systems (BMS), irrigation management systems (IMS), and Wi-Fi networks.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eIncludes a freeze sensor for use with SentryPlus Alert technology to signal facility personnel when temperature nears and reaches the freezing point\u003c\/li\u003e\n\u003cli\u003eAvailable freeze sensor connection kit to activate a monitoring system that trigger alerts for low and freezing temperatures\u003c\/li\u003e\n\u003cli\u003eCast bronze body construction\u003c\/li\u003e\n\u003cli\u003eModular compact design\u003c\/li\u003e\n\u003cli\u003eReplaceable seats and seat discs\u003c\/li\u003e\n\u003cli\u003eTop entry\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":43933543333939,"sku":"WATT062020","price":568.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/31wO6ISMoaL.jpg?v=1772565130"},{"product_id":"caleffi-573409a-backflow-preventer-1-2-sweat-asse-1012","title":"Caleffi 573409A Backflow Preventer 1\/2\" Sweat ASSE 1012","description":"Caleffi 573409A Backflow Preventer 1\/2\" Sweat ASSE 1012","brand":"CALEFFI","offers":[{"title":"Default Title","offer_id":43934982176819,"sku":"CALE573409A","price":91.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/41qQfByVisL.jpg?v=1771533984"},{"product_id":"caleffi-573406a-backflow-preventer-1-2-press-asse-1012","title":"Caleffi 573406A Backflow Preventer 1\/2\" Press ASSE 1012","description":"Ensuring safe potable-water performance, this 1\/2\" press backflow preventer protects supply lines from low-hazard back-siphonage. Built to ASSE 1012 standards, it uses press-fit installation for fast, flame-free mounting. The internal check mechanism responds reliably to flow changes, while the compact body fits easily in tight mechanical or residential spaces.","brand":"CALEFFI","offers":[{"title":"Default Title","offer_id":43934985027635,"sku":"CALE573406A","price":113.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/41SK0xPKUML._AC.jpg?v=1771533952"},{"product_id":"caleffi-573503a-backflow-preventer-3-4-npt-asse-1012","title":"Caleffi 573503A Backflow Preventer 3\/4\" NPT ASSE 1012","description":"Caleffi 573503A Backflow Preventer 3\/4\" NPT ASSE 1012","brand":"CALEFFI","offers":[{"title":"Default Title","offer_id":43934985322547,"sku":"CALE573503A","price":99.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/573503A.jpg?v=1771534011"},{"product_id":"caleffi-573493a-backflow-preventer-1-2-inch-sweat-brass","title":"Caleffi 573493A Backflow Preventer 1\/2 Inch Sweat Brass","description":"Caleffi 573493A Backflow Preventer 1\/2\" Sweat Inlet X 1\/2\" NPT Outlet ASSE 1012","brand":"CALEFFI","offers":[{"title":"Default Title","offer_id":43934986436659,"sku":"CALE573493A","price":93.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/31TG5SyH3yL.jpg?v=1771533998"},{"product_id":"legend-valve-115-104nl-dual-check-backflow-preventer-3-4-inch-fnpt","title":"Legend Valve 115-104NL Dual Check Backflow Preventer 3\/4 Inch FNPT","description":"115-104NL Dual Check Backflow Preventer Valve 3\/4 in FNPT","brand":"Legend Valve","offers":[{"title":"Default Title","offer_id":43935298682931,"sku":"LEGT45734","price":61.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/Legend_Valve_115104NL.jpg?v=1769642976"},{"product_id":"caleffi-573403a-backflow-preventer-1-2-npt-asse-1012","title":"Caleffi 573403A Backflow Preventer 1\/2\" NPT ASSE 1012","description":"\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ch3\u003eCALEFFI 573403A Dual Check Backflow Preventer 1\/2\" NPT\u003c\/h3\u003e\n\n\u003ch3\u003eFunction\u003c\/h3\u003e\n\u003cp\u003eThe automatic filling valve is a device consisting of a pressure reducing valve with compensating seat, visual system pressure setting indicator, an inlet filter, anti-scale internal parts, a shut-off valve (round knob on bottom) and a Check Valve .\u003c\/p\u003e\n\n\u003cp\u003eIt is installed on the water inlet piping in sealed heating systems, and its main function is to maintain the pressure of the system at a set value, automatically filling up with water as required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe valve is pre-adjustable, meaning it can be set to the desired pressure value before the system charging phase.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAfter installation, during the filling or topping-off phase, the water feed will stop when the set pressure is reached. This valve fills 50% faster than other valves. There are no levers to flip or valve to close.\u003c\/p\u003e\n\n\u003cp\u003ePre-assembled with the 573 series backfl ow preventer, the AutoFill Combo features an atmospheric vent which is designed to protect drinking water systems from return flow, caused by back-siphoning or back pressure, of contaminated fluids. The 573 series has been specifically certified to standards CSA B64.3 and ASSE 1012.\u003c\/p\u003e\n\n\u003cp\u003eThe backflow preventer with atmospheric vent is designed to protect drinking water systems from the return, caused by backsiphonage or backpressure, of contaminated fluids.\u003c\/p\u003e\n\n\u003cp\u003eDual check continuous pressure backflow preventer with atmospheric vent. DZR low-lead brass body.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMax working pressure: 175 psi\u003c\/li\u003e\n\u003cli\u003eWorking temp range: 32? - 210?F\u003c\/li\u003e\n\u003cli\u003eEmergency backpressure temp: 250?F\u003c\/li\u003e\n\u003cli\u003eCertified to: ASSE 1012, CSA B64.3, NSF\/ANSI 372, Low Lead Laws and listed by ICC-ES. Meets codes IPC, IRC \u0026amp; UPC for use in accordance with the U.S. and Canadian plumbing codes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CALEFFI","offers":[{"title":"Default Title","offer_id":44013689733171,"sku":"CALE573403A","price":92.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/cale573403a_483__1.jpg?v=1770914896"},{"product_id":"watts-0061667-sd-3-dual-check-valve-3-8-inch-atmospheric-port","title":"Watts 0061667 SD-3 Dual Check Valve 3\/8 Inch Atmospheric Port","description":"This 3\/8 inch dual Check Valve  backflow preventer with atmospheric port and strainer for carbonated beverage machines prevents the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It is designed for continuous or intermittent pressure applications and ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. This valve consists of stainless steel body construction, female NPT end connections, internal rubber components and an atmospheric vent and a wye pattern strainer. Includes an atmospheric port that provides visual indication of failure of the second check.","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013736001587,"sku":"WAT0061667","price":338.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/61XYmrwm5HL._AC_SX679_799f768e-2f08-44ee-b3e2-046b7f019f6f.jpg?v=1772211716"},{"product_id":"watts-lf7-dual-check-valve-3-8-inch-lead-free-copper-silicon","title":"Watts LF7 Dual Check Valve 3\/8 Inch Lead Free Copper Silicon","description":"This 3\/8 inch dual Check Valve  backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It is designed for in-line continuous pressure applications, such as wash-down sinks or other installations, where a hose type device connected to the domestic water supply can be submerged into a non-potable liquid. It consists of a lead free cast copper silicon alloy body, 3\/8 union NPT thread female inlet by NPT thread female outlet, two plastic replaceable Check Valve s, Buna-N seals, silicone discs, and stainless steel springs. The minimum working pressure is 10 psi (69 kPa) and the maximum working pressure is 150 psi (10 bar).\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eCan be installed vertically or horizontally\u003c\/li\u003e\n\u003cli\u003eNo special tools are required for servicing\u003c\/li\u003e\n\u003cli\u003eTemperature range is 33 to 180 degrees F (0.5 to 82 degrees C) continuous\u003c\/li\u003e\n\u003cli\u003eShort lay length\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013792067635,"sku":"WAT0792076","price":247.37,"currency_code":"USD","in_stock":true}]},{"product_id":"watts-lfn9-dual-check-vacuum-breaker-3-8-inch-lead-free","title":"Watts LFN9 Dual Check Vacuum Breaker 3\/8 Inch Lead Free","description":"This 3\/8 inch lead free dual check vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply. It is designed for non-health hazard continuous in-line pressure applications, such as parlor sinks. It consists of a lead free body construction with an atmospheric vent and NPT female inlet and outlet connections.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLead free construction\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eFemale NPT threads\u003c\/li\u003e\n\u003cli\u003eIn-line applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013822476339,"sku":"WAT0792097","price":288.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/41rsMrrdzsL.jpg?v=1772565070"},{"product_id":"watts-sd-3-dual-check-backflow-preventer-3-8-inch-with-vent-wye-strainer","title":"Watts SD-3 Dual Check Backflow Preventer 3\/8 Inch with Vent Wye Strainer","description":"This 3\/8 inch dual Check Valve  backflow preventer with atmospheric port and strainer for carbonated beverage machines prevents the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It is designed for continuous or intermittent pressure applications and ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. This valve consists of stainless steel body construction, male NPT end connections, internal rubber components and an atmospheric vent and a wye pattern strainer. Includes an atmospheric port that provides visual indication of failure of the second check.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eMaximum working pressure is 150 psi (10 bar)\u003c\/li\u003e\n\u003cli\u003eIncludes strainer\u003c\/li\u003e\n\u003cli\u003eCan be installed vertically or horizontally\u003c\/li\u003e\n\u003cli\u003eFor carbonated beverage machines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013823000627,"sku":"WAT0061656","price":495.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/61XYmrwm5HL._AC_SL1500.jpg?v=1772141255"},{"product_id":"watts-88006832-lf9d-m2-dual-check-valve-3-4-inch-atmospheric-vent","title":"Watts 88006832 LF9D-M2 Dual Check Valve 3\/4 Inch Atmospheric Vent","description":"This 3\/4 inch lead free dual Check Valve  backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber Check Valve  backflow preventers, and NPT female inlet and outlet connections.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLead free forged brass body for durability\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eHorizontal or vertical installation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013858258995,"sku":"WAT88006832","price":89.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/88006832-3.jpg?v=1771608547"},{"product_id":"watts-9d-m3-1-2-dual-check-valves-with-intermediate-atmospheric-vent","title":"Watts 9D M3 1\/2\" Dual Check Valves with Intermediate Atmospheric Vent","description":"This 1\/2 inch lead free dual Check Valve  backflow preventer with atmospheric vent prevents the reverse flow of hot or cold polluted water from entering into the potable water supply. This valve is designed for continuous pressure non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines. It consists of a lead free forged brass body with stainless steel internal parts, integral strainer, two durable tight seating rubber Check Valve s, and NPT female inlet and outlet connections.\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eLead free forged brass body for durability\u003c\/li\u003e\n\u003cli\u003eCompact design\u003c\/li\u003e\n\u003cli\u003eStainless steel internal parts\u003c\/li\u003e\n\u003cli\u003eHorizontal or vertical installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cp\u003eWant to learn more about these dual Check Valve s? Read our blog about \u003ca href=\"https:\/\/plumbing-deals.com\/blogs\/plumbing-blog\/boiler-system-repairs-and-maintenance\"\u003eboiler repair parts here.\u003c\/a\u003e\u003c\/p\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013858455603,"sku":"WAT88006822","price":84.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/31GNaWYOT1L._AC_38739d45-ad88-4dfb-b6d5-926297965a2c.jpg?v=1771608547"},{"product_id":"watts-0061657-sd-3-dual-check-valve-3-8-inch-atmospheric-port","title":"Watts 0061657 SD-3 Dual Check Valve 3\/8 Inch Atmospheric Port","description":"This 3\/8 inch dual Check Valve  backflow preventer with atmospheric port and strainer for carbonated beverage machines prevents the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. It has an atmospheric port that provides visual indication of failure of the second check and a wye pattern strainer. It is ideal for use on post-mix carbonated beverage equipment and dispensing equipment for tea and coffee. The connections are female NPT inlet with SAE male flare outlet. Maximum working pressure is 150 psi (10 bar).\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eStainless steel for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes strainer\u003c\/li\u003e\n\u003cli\u003eCan be installed vertically or horizontally\u003c\/li\u003e\n\u003cli\u003eFor carbonated beverage machines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WATTS","offers":[{"title":"Default Title","offer_id":44013859405875,"sku":"WAT0061657","price":495.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/61XYmrwm5HL._AC_SX679.jpg?v=1772211551"},{"product_id":"legend-valve-312-199nl-tank-tee-1-1-4-inch-x-14-inch-bronze-3-pack","title":"Legend Valve 312-199NL Tank Tee 1-1\/4 Inch x 14 Inch Bronze - 3 Pack","description":"\u003cul\u003e\n\u003cli\u003eDurable, ful-pattern cast brass body\u003c\/li\u003e\n\u003cli\u003eLarge, integral seat and disc sealing surfaces.\u003c\/li\u003e\n\u003cli\u003eForged brass hinge pin assures smooth, non-binding disc operation.\u003c\/li\u003e\n\u003cli\u003eT-pattern body permits either vertical (upward flow only) or horizontal (assembly cap upright) installations.\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/my.legendvalve.com\/erp2web\/documents\/pdf\/T-451NL.pdf\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline; color: #0000ff;\"\u003eSubmittal Sheet\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Legend Valve","offers":[{"title":"Default Title","offer_id":44014338736179,"sku":"LEG114SWIPx3","price":98.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/5964\/8563\/files\/leg114swipx3.jpg?v=1773265388"}],"url":"https:\/\/plumbing-deals.com\/collections\/dual-checks.oembed?page=2","provider":"Plumbing Deals","version":"1.0","type":"link"}