Watts 3/4X3/4 LF7RU2-2 Check Valve, 3/4 in, Union FNPT x FNPT, 10 to 175 psi Pressure, Brass Body

This 3/4 by 3/4 in lead-free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead-free brass body construction, with two plastic replaceable check valves and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 psi and maximum working pressure is 175 psi.