Screen Shot 2013-04-24 at 2.07.52 PM

Watts Backflow Preventer

(Dual Check Valves with Intermediate Atmospheric Vent)


Series 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable tight-sealing rubber check valves. Series 9D is designed and specifically for boiler feed lines. Minimum Working Pressure: 25psi

Maximum Working Pressure: 175psi



There are no reviews yet, would you like to submit yours?

Be the first to review “Watts Backflow Preventer”