WATTS® Dual Check Valve, 3/8 in Nominal, FNPT, 150 psi, 33 to 180 deg F, Low Lead Compliance: Yes, Media: Water, 2-7/8 in Inlet to Outlet Length, Cast Copper Silicon Alloy Body, Silicone Disc/Stainless Steel Spring Trim, Buna-N® Seal, 1-1/4 in H, Import

Series LF7 Lead Free Dual Check Valves prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It consists of a Lead Free cast copper silicon alloy body construction, with two plastic replaceable check valves, and stainless steel springs. Series LF7 is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kpa) Maximum Working Pressure: 150psi (10 bar).