Oatey Sure Vent Air Admittance Valve 1.5 Inch To 2 Inch White PVC Schedule 40 Adapter 39016 With 160 Branch 24 Stack DFU Capacity Secondary Vent For DWV Systems ASSE 1050 1051 Compliant Automatically Opens And Closes To Regulate Venting
UPC: 00193019453100
✔️ 1.5x2 in PVC adapter, 24-Stack DFU, ASSE 1050/1051
The air admittance valve is a handy secondary venting device used in plumbing to admit air into the drainage system when negative pressure develops, eliminating the need for open-air vent pipes in tight spaces. Commonly installed on branch vents in residential and light commercial settings, it is designed to meet ASSE 1050 and 1051 standards for safe operation. This model is rated up to 20 DFU and supports DWV venting up to 2 inches and smaller.
Note: Pack 1 unit; straight PVC Schedule 40 adapter included for quick installation.
✅ ASSE 1050/1051 compliant
✅ 20 DFU capacity for venting DWV 2 in and smaller
✅ One-way valve opens under negative pressure and closes by gravity
✅ Includes straight PVC Schedule 40 adapter for easy installation
💡 What is an air admittance valve used for in residential and commercial plumbing systems? This handy vent device helps balance pressure without running vent pipes to the outdoors. Use case: handy for retrofits and tight spaces in homes and small businesses Function: one-way valve opens under negative pressure and seals by gravity Care: inspect for cracks, replace if brittle or damaged