Backflow Preventers

This is a second check assembly for the 6" Watts 909 Series reduced pressure zone (RPZ) backflow preventers. This is a complete, assembled second check with rubber. Cover O-Ring included. Check seat sold seperately. No special tools are required for servicing. Genuine Watts replacement parts.

Designed for installation on potable water lines to protect against both backsiphonage and back pressure of polluted water into the potable water supply. The Model 705 shall provideprotection where a potential health hazard does not exist. Applications include indoor and outdoor meter box installations as primary domestic water protection. Standard laylength allows for retrofit of existing dual checks. Lead-free body and checks ensure safe drinking water while providing maximum corrosion resistance. Standard Compliance ASSE® Listed 1024 (horizontal & vertical flow-up) CSA® Certified ...

Our pressure vacuum breaker protects against backsiphonage in high health hazard, non-potable residential and commercial irrigation applications. The 720A assembly includes an approved check valve, vacuum relief, two test cocks, and inlet and outlet full port resilient seated shut-off valves. This pressure vacuum breaker features a maximum pressure of 150 psi and a temperature range of 33°F to 110°F. The PVB's corrosion-resistant internal parts and all bronze bonnet and body construction provides added strength and protection against the elements and light freezes. The test ...

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 ...

The 975XL reduced pressure principle backflow assembly is used on non-potable water applications for high health hazard protection from both backsiphonage and backpressure of contaminated water into the potable water supply. The wye pattern design with short lay length eases installation in compact spaces, and the cast bronze body includes separate access to the relief valve and each check valve for reduced labor costs and repair time. The 975XL is favored by installers around the world, and is the simplest, best performing, and most reliable backflow preventer in the irrigation market ...