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This 1 inch double check valve backflow preventer assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements
rectangular or round chimneys
dual automatic valves
Prevents rain
3/4"x6"CTS REPAIR COUPLING PIPN/L FULL SLIP COMPRESSION COPR PVC-SLIP TEE This 1 inch double check
US$ 88.30
US$ 44.99
US$ 110.52
