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  • Oatey 4 in. ABS Backwater Valve
  • Oatey 4 in. ABS Backwater Valve
  • Oatey 4 in. ABS Backwater Valve

Oatey 4 in. ABS Backwater Valve

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The Oatey Backwater Valve is designed as a sewage check valve to prevent pumped water from flowing back into the basin. Its elastomeric seal inside the flapper ensures a tight seal, preventing fluid from entering. Oatey products have earned the trust of plumbing professionals for over 100 years.