LF7

Series LF7 Lead Free* Dual Check Valve Backflow Preventers are designed to prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. They have a Lead Free* cast copper silicon alloy body construction, 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).