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This 1/2 inch lead free dual check vacuum breaker backflow preventer prevents the reverse flow of polluted water from entering into the potable water supply
UPC - 098268502510
This high-quality lath enhances the finished appearance of walls
Designed to offer highly sensitive response to reduced pressure changes
Watts 709DCDA-DOSY-GPM 4 - Part of the 709DCDA Series Z100F-4NH This 1/2 inch lead freeThis 4 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection at cross connections identified as non health hazards such as on fire protection systems and from other contaminants found at the service line entrance. It
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