Watts SS007M3-QT 1/2" Stainless Steel Double Check Valve

Watts SS007 1/2 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply. The assembly consists of a stainless steel body construction, NPT end connections, quarter turn ball valve shutoffs, top mounted test cocks, two in-line independent positive seating check modules, captured springs, and replaceable check discs and seats.