Oatey® Backwater Valves are designed as a sewage check valve to prevent pumped water from flowing back into the basin.
Oatey® 3" PVC backwater valve
Oatey® 3" ABS backwater valve
Oatey® 4" PVC backwater valve
Oatey® 4" ABS backwater valve
Oatey® 6" PVC backwater valve
Oatey® 6" ABS backwater valve
Oatey® 3" PVC threaded cap
Oatey® 4" PVC threaded cap
Oatey® 4" ABS threaded cap
Oatey® 3" PVC flapper w/ "O" ring
Oatey® 4" PVC flapper w/ "O" ring
Oatey® 6" PVC flapper w/ "O" ring