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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
The minimum working pressure is 10 psi (69 kPa) and maximum working pressure is 175 psi (12 bar)
and fluids from floors while maintaining reliable drainage performance
high temperature resisting enlarged diaphragm for hot or cold temperatures
Features Spring loaded
Buna-N seat
Watts 757-OSY-FXG 3 - Part of the 757 Series Sheet Drain The minimum working pressure isThis 3 inch lead free 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 due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line
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