Model: Simmons 503-SB
*Certified Lead Free
Bronze Cast - Simmons Check Valve with 1" Female x 1" Female
How it Works: Built-in Valve stops backflow. Water flows one way only.
- Silicon bronze cast body
- Silicon bronze cast poppet
- Female-Male threads
*Silicon bronze components contain less than .05% (1/20 of 1%) Lead
Check valve furnished with Buna-N O-Ring, stainless steel spring, stainless steel washer and stainless steel locknut. Has a working pressure of 400 psi. Check valves allow flow in one direction and automatically prevent back flow (reverse flow) when water in the line reverses direction. For use in cold water systems only.