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installing a backflow preventer @WattsWater Pressure Reducing Valve & Backflow Preventer With Intermediate Atmospheric Vent.
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What is backflow? What is a backflow preventer? We're back in the Watts Works wet lab to answer those age old questions. Watts 0072204, 3/4" Female NPT x Female NPT Union lead-free dual check valve for residential potable water applications. Rated for continuous pressure up to
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Watts Double Check Valve Assembly, model LF007, prevents backflow or back pressure. The lead free check valve comes in a This 3/4 by 3/4 inch lead free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply.
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