Backflow Preventers

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. Assembly shall provide protectionwhere a potential health hazard exists. Standards Compliance ASSE® Listed 1013 IAPMO® Listed CSA® Certified B64.4 AWWA compliant C511 Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California Certified to NSF/ANSI 372 by IAPMO R&T NSF® Listed-Standard 61, Annex G

Watts 957 Series Reduced Pressure Zone Assemblies began production in 2000 under the Hunter name. In 2002, Watts bought the rights off of Hunter and is still manufacturing the devices. They are available in sizes 2 1/2 - 10" and are constructed of stainless steel. The 957 Series has become a top seller of Watts due to the light weight design and short lay lengths. It is also offered in a number of configurations with many valve options. To access the check assemblies there is a stainless steel sleeve that will slide open. On the 2 1/2 - 6" you must unthread the #3 test cock then slide the ...

This 1 inch lead free brass water pressure reducing valve is the standard model, designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a replaceable seat module, NPT threaded female union inlet by NPT female outlet and a bypass feature to control thermal expansion pressure. The temperature range is 33 to 160 degrees F (0.5 to 71 degrees C). Suitable for up to 300 PSI (20.7 BAR), the pressure range can be adjusted from 25 to 75 PSI (172 to 517 ...

Watts 0387114 1-1/2" Vacuum Breaker This 1 1/2 IN Watts series 800M4-QT-FZ anti-siphon pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, lever handle shutoffs, and test cocks for winterization draining. It is ideal in health hazard continuous pressure applications such as irrigation systems and industrial ...

Zurn 112-SXL 1-1/2 In. FNPT x FNPT Strainer -Lead Free Cast Bronze - 20 Mesh Screen - 300 WOG Recommended for a variety of water service lines including residential and commercial irrigation, swimming pools and cooling tower water. They are also designedto protect delicate equipment such as regulators and backflow preventers by filtering sediment which could cause premature failure. Standards Compliance NSF® Listed - Standard 61, Annex G Certified to NSF/ANSI 372 by IAPMO R&T