3/8"

The 3/8" Watts 008 Spill Resistant Pressure Vacuum Breaker began production in 1994 and is still currently in production. The body is made of bronze and uses plastic internal parts. The check and air inlet are modularized single cartridge style. No special tools are required for service.

The 3/8" Watts Series SD-2 Dual Check Valves prevent the reverse flow of contaminated water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of a stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Commonly found on tea and coffee makers this backflow carries the ASSE 1032 certification but does NOT carry the ASSE 1022 certification.

The 3/8" Watts Series SD-3 Dual Check Valves with Atmospheric Port & Strainer for Carbonated Beverage Machines prevent 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. Series SD-3 has an atmospheric port that provides visual indication of failure of the second check and a wye pattern strainer. Commonly found on carbonated beverage machines and coffee makers it has the ASSE 1022 approval required for such devices.

The 3/8" Watts #7 Series Dual Check Valves prevent the reverse flow of polluted water from entering into the potable water supply due to backpressure backflow. It consists of bronze body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Commonly found on residential incoming water lines. These repair parts fit the older "leaded" versions of the #7 and do NOT fit Lead Free, LF7 models. There are no repair parts for the LF7 models.