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Watts Backflow Preventer

(Dual Check Valves with Intermediate Atmospheric Vent)

Description:

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

WattsWater-Backflow-Preventer-Specification-Sheet
WattsWater-Backflow-Preventer-Installation-Guide

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