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Oatey Sure-Vent 1.5" 20 Branch, 8 Stack DFU Air Admittance Valve with PVC Schedule 40 adapter is a one-way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system. Superior engineering along with stringent quality standards ensure unmatched performance. Oatey products have earned the trust of plumbing professionals for over 100 years.

  • Opens/closes as needed by building's plumbing system
  • For use as a secondary vent
  • PVC Schedule 40 Adapter
  • One size approved to handle up to 2" vent pipe
  • Sweet Spot™ technology opens valve at -0.01 psi and seals at 0 psi and above
  • Screening on air inlets to guard the seal
  • Protective sleeve provides grip for installation and keeps valve free from debris
  • 100% functionally tested at ¼" H2O and 30" H2O ensuring trouble free performance
  • Complies to ASSE Standard 1050 and 1051
  • International Plumbing Code (IPC) and Uniform Plumbing Code (UPC) approved
  • Material: PVC
  • Brand: Oatey
  • Connection Size: 1.5 in.
  • DFU Rating: 20 Branch, 8 Stack
  • Color: White
  • Adapter Material: PVC
  • Adapter Size: 1.5 in.
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Manuals (1)
20 DFU
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