Oatey® backwater valves protect low areas and basements from backflow or waste from street sewers.
Oatey® Backwater Valves are designed as a sewage check valve to prevent pumped water from flowing back into the basin.
The Set-Rite® Spacers Kit includes all 4 individual spacers: 1/8", 1/4", 1/2", & 3/4". Our Set-Rite® Spacers will work for any new installation or repair on an exis...