Watts LF7R-3-U2 1 X 1 - Part of the LF7R Series snake fence This 1 inch lead free

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

The soft-weave process ensures the lath remains flat and pliable

Cast Iron Body

gas-tight gasketed brass cleanout plug and push on connection for a 3 inch pipe

12' x 300' Roll

Watts LF7R-3-U2 1 X 1 - Part of the LF7R Series snake fence This 1 inch lead freeThis 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