Sewer Relief Valves

1-1/2" Sewer Relief Valve DESIGNED FOR USE IN OUTSIDE CLEANOUTS TO ELIMINATE COSTLY DAMAGE DUE TO SEWAGE BACK-UP. FITS 1-1/2″ CAST IRON OR PLASTIC PIPES. PROVIDES A VISIBLE WARNING THAT SEWAGE IS BACKING UP. SPRING LOADED TO AUTOMATICALLY CLOSE,...

2" Sewer Relief Valve

3" Sewer Relief Valve DESIGNED FOR USE IN OUTSIDE CLEANOUTS TO ELIMINATE COSTLY DAMAGE DUE TO SEWAGE BACK-UP. FITS 3″ CAST IRON OR PLASTIC PIPES. PROVIDES A VISIBLE WARNING THAT SEWAGE IS BACKING UP. SPRING LOADED TO AUTOMATICALLY CLOSE, PREVENTING...

3-1/2" Sewer Relief Valve DESIGNED FOR USE IN OUTSIDE CLEANOUTS TO ELIMINATE COSTLY DAMAGE DUE TO SEWAGE BACK-UP. FITS 3-1/2″ CAST IRON OR PLASTIC PIPES. PROVIDES A VISIBLE WARNING THAT SEWAGE IS BACKING UP. SPRING LOADED TO AUTOMATICALLY CLOSE,...

4" Sewer Relief Valve Cleanout Releases waste to outside of buildings in the event of sewer line blockage, preventing costly damage due to sewage backflow or overflow. Applicable in residential, commercial, or industrial settings- any structure connected...

Pop-up Sewer Relief Valve for 3" or 4" PVC Pipe Automatic relief valve for sewer cleanout riser. Fits standard 3″ or 4″ cleanout connections.