{"title":"Backflow Devices - Watts - DCVA - Double Check Valve Assemblies","description":null,"products":[{"product_id":"watts-1-1-2-lf719-qt","title":"Watts 1 1\/2\" LF719-QT","description":"\u003cp\u003eThe Watts 1 1\/2 inch LF719-QT Double Check Valve Assembly is designed to protect drinking water supplies from dangerous cross-connections, preventing the reverse flow of contaminated non-potable water from entering the potable water supply. 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