Lead free brass body for durability
Can be installed vertically or horizontally
Compact design
Meets ANSI/ASSE Standard 1024
1 in. union female NPT inlet x female NPT outlet
Designed for non-health hazard residential water system containment
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Dual Check Valve Backflow Preventer
This 1 by 1 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, 1 in. NPT threaded female union inlet and 1 in. NPT threaded female outlet, 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 (69 kPa) and maximum working pressure is 175 psi (12 BAR).