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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
Mounting pattern on box for quick and easy installation
1-1/2" EMT CONDUIT-THINWALL 1500/1665# STEEL BDL
California State Fire Marshal approved and Federal Housing Authority (FHA) approved to exceed industry standards
This gives you maintenance-free battery power
4 1/8"BI METAL HOLE SAW CHISELS-WOOD This 1 inch double check4 1 8" Speed Slot Bi Metal Hole Saw With T3 Technology
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