1/2 X 1/2" RESIDENTIAL DUACHECK VALVE LEAD FREE LF7R ANT & ROACH KILLER easiest way to join copper

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• Dependable rotating dial mechanism – lb only

22 Gauge 1 1/2" x 8" Sink Funnel

3/8" FLARE ROD NUT

<F> 1/2 X 1/2" RESIDENTIAL DUACHECK VALVE LEAD FREE LF7R ANT & ROACH KILLER easiest way to join copperThis 1 2 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. Its compact modular design facilitates easy maintenance with a single access cover for in line repairs. It is ideal for protection in continuous pressure piping applications and