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3 4"DBE CHECK VALV.ASSEMBLE NON POTABLE H20 NAPTHA Paint Thinner is the most 5000B89 Paint Thinner is the most widely used paint solvent for thinning of oil based paints and enamels This 3 4 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 The compact modular design allows easy maintenance with a single access cover for in line repairs
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