Watts 774DCDA-OSY-GPM 10" SS Double Check Detector Assembly

Watts 774DCDA 10 inch stainless steel double check detector backflow preventer assembly prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. The assembly has a lightweight stainless steel body, thermoplastic, stainless steel check valves and a gallons per minute meter.