Watts 757-OSY 6" SS Double Check Valve Assembly

Watts 757 6 Inch lead free stainless steel double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non-potable quality from being pumped or siphoned into the potable water supply. The assembly has a stainless steel body, tri-link check valves, outside stem and yoke resilient seated gate valves, and test cocks.