Watts 957-OSY 2 1/2" SS Reduced Pressure Zone Assembly

Watts 957 2 1/2 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.