Oatey Sure-Vent 1-1/2 in.–2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with White PVC Sch. 40 Adapter


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  • Sure-Vent air admittance valve with PVC Sch. 40 adapter
  • Use as an alternative to a secondary vent in a DWV system
  • Vents up to 160 DFU Branch or 24 DFU Stack
  • One size approved to handle 1-1/2 in.–2 in. vent pipe
  • Protective sleeve provides grip for installation and keeps valve free from debris
  • 100% functionally tested at 1/4 in. H2O and 30 in. H2O, ensuring trouble-free performance
  • Complies to ASSE Standard 1050 and 1051. International Plumbing Code (IPC) and Uniform Plumbing Code (UPC) approved



  • We offer FREE shipping on all orders!
  • Under normal circumstances, we try to ship all orders within three business days of payment, normally sooner.
  • We use a selection of shipping services such as TBA, UPS, FedEx, USPS, etc
  • We only ship to the lower 48 states, we do not ship to Alaska/Hawaii, US Protectorates, Puerto Rico, and PO Boxes.
  • Local pickups and combined shipping options are not available at this time.


  • Although we strive for 100% order fulfillment accuracy, mistakes happen. Please allow us the opportunity to correct any error before leaving us negative feedback.
  • We are confident in our products, but if you are not fully satisfied with your order, don't hesitate to get in touch with us within 30 days of purchase, and we will send you a return label. Once the item is returned we will issue you a full refund.
  • The product must be returned in the original item's box, and in the same condition as you received it.




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