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

The 710 Pressure Vacuum Breaker Assembly protects against backsiphonage of contaminated water into the potable water supply where a potential high health hazard exists. With fewer parts and a lightweight, compact body, the Zurn® Wilkins 710 pressure vacuum breaker assembly is a low-maintenance, cost-effective solution for high-hazard irrigation applications - commercial or residential. It also features a maximum pressure of 150 psi and a temperature range of 33°F to 140°F. Bring effortless performance to any residential and commercial irrigation systems. Features: Protects ...

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 1/2 inch reduced pressure zone assembly with its exclusive design incorporating the patented air-in and water-out principle for protection during an emergency condition prevents the flow 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 for in-line repairs. It can be installed horizontal or vertical without the need of any special tools. It is ideal for protection in continuous pressure piping ...

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 ...