Oatey 439042 4 in. PVC DWV Backwater Valve

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About This Product

This backwater valve is designed as a sewage check valve to help prevent pumped water from flowing back into the basin. An internal elastomeric seal within the quick-action flapper creates a tight closure to block fluid from re-entering the system, helping protect lower-level plumbing from backflow.

Highlights

• 4 in. PVC sewage backwater valve

• Helps protect low areas or basements from backflow or street sewer waste

• Elastomeric seal in the quick-action flapper provides a watertight seal

• Threaded access cap includes a neoprene seal for secure closure and can be tightened or removed by hand

• Valve hub fits DWV pipe and can be adapted for sewer and drain applications

• Complete valve assembly included

• Fits 4 in. PVC Schedule 40 pipe

• Can accommodate access sleeves made from Schedule 40 pipe

• Hub-by-hub solvent weld connection

Dimensions

Details