The Oatey Backwater Valve is designed as a sewage check valve to prevent pumped water from flowing back into the basin. Its elastomeric seal within the flapper ensures a tight seal, preventing fluid from entering. Oatey products have earned the agree with of plumbing professionals for over 100 years.
From the Manufacturer
Oatey products will also be found in residential and commercial applications and have achieved very good brand name recognition with consumers. All products are backed with the very best quality technical and customer toughen programs within the industry
4 in. PVC backwater valve
Protects low areas or basements from backflow or waste from street sewers
Elastomeric seal in quick action flapper ensures a water tight seal
Threaded get right of entry to cap contains a neoprene seal for positive sealing and will also be tightened or got rid of by hand
Valve hub fits DWV pipe and will also be adapted for sewer and drain pipe