Oatey 43904 PVC Backwater Valve 4 in
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PVC Backwater Valve 4 in

Mfg.# 43904
Sku# 6456701


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This item is only available for in-store pickup.
  • Features
  • Specifications
  • 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.