Watts 757-NRS 10" SS Double Check Valve Assembly

Watts 757 10 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.