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Get it between 2025-05-23 to 2025-05-30. Additional 3 business days for provincial shipping.
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 access cap incorporates a neoprene seal for positive sealing and can be tightened or removed by hand
Valve hub fits DWV pipe and can be adapted for sewer and drain pipe
Product Description 4", PVC backwater valve, prevents sewage or any other fluid from flowing back into a water system, elastomeric seal in quick action flapper ensures a water tight seal, threaded access cap incorporates a neoprene seal for positive sealing & can be tightened or removed by hand, valve hub fits dwv pipe & can be adapted for sewer & drain pipe. The product is manufactured in china. Easy installation and easy handling. From the Manufacturer Oatey products can be found in residential and commercial applications and have achieved excellent brand name recognition with consumers. All products are backed with the highest quality technical and customer support programs in the industry