Watts 957N-OSY 10" SS Reduced Pressure Zone Assembly

Watts 957 10 inch stainless steel reduced pressure zone assembly backflow preventer helps prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply. The assembly has a stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with outside stem and yoke, test cocks, and a pressure relief valve.