Product can not ship to California, Vermont, and outside United States. Watts Series 007M1QT Double Check Valve 1" (0062306)Series 007 Double Check Valve Assemblies prevent the backflow of contaminated water into the potable water supply. It consists of a bronze (1/2 to 2 in) or fused epoxy coated cast iron (2 1/2 to 3 in) body construction that is easy to maintain and service. Series 007 is ideal at referenced cross-connections identified as non-health hazard applications. Check with local inspection authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).The Watts Series 007M1QT Double Check Valve has only one cover so it is easy to maintain and there are no special tools required for servicing it. It is a compact design with replaceable seats and seat discs. Watts Series 007M1QT Double Check Valve 1" (0062306) Features: 1/2 to 3 in. (15 to 80mm) Only one cover Top entry Replaceable seats and seat discs Modular construction Cast bronze body construction - 1/2" - 2" (15 - 50mm) Fused epoxy coated cast iron body - 2-1/2" - 3" (65 - 80mm) Top mounted ball valve test cocks Low pressure drop 1/2" - 1" (15 - 25mm) have tee handles* Not AB1953 CA/VT Compliant