Watts LF7R-3-U2 1 X 1 - Part of the LF7R Series snake fence Replaceable seals

Replaceable seals

12' x 300' Roll

This 1 inch lead free swing check valve is used to prevent reverse flow in water and steam applications

Reversible back or bottom outlet for installation flexibility

Watts LF7R-3-U2 1 X 1 - Part of the LF7R Series snake fence Replaceable sealsThis 1 by 1 inch lead free dual check valve backflow preventer prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. This valve consists of a lead free brass body construction, 1 inch male NPT inlet by 1 inch union female NPT outlet, two plastic replaceable check valves, and stainless steel springs. It is designed for non health hazard residential water system