Watts 957-NRS 3" SS Reduced Pressure Zone Assembly

Watts 957 3 inch stainless steel reduced pressure zone assembly backflow preventer helps prevent the reverse flow of contaminated water 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 non-rising stem, test cocks and a pressure relief valve.