Pros, Join Our TradeMaster Program!
The Oatey Sure-Vent 1.5" – 2" 160 Branch, 24 Stack DFU Air Admittance Valve with ABS Schedule 40 adapter is a one-way valve designed to allow air into the plumbing drainage system when negative pressures develop in the piping system, eliminating the need to tie into a stack vent. Superior engineering along with stringent quality standards ensure unmatched performance as a secondary vent. Oatey products have earned the trust of plumbing professionals for over 100 years.

  • Apply approved pipe joint compound or thread seal tape to the male threads of the valve
  • For use as a secondary vent
  • ABS Schedule 40 adapter
  • One size approved to handle up to 3" vent pipe
  • Vents up to 160 DFU Branch or 24 DFU Stack
  • 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. - 2 in.
  • DFU Rating: 160 Branch, 24 Stack
  • Color: White
  • Adapter Material: ABS
  • Adapter Size: 1.5 in. - 2 in..
Read more
Manuals (1)
160 DFU
Speak with a real person who will go out of their way to help!
Open Now:
Monday – Thursday
8am–7:45pm ET
9am–7:45pm ET

Product Reviews

Product Q&A

Add-on Item

This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.