Oatey 39016 Air Admittance Valve with Straight PVC Schedule 40 Adapter Sure- Vent 1.5 in x 2 in. 160 Branch, 24 Stack DFU Capacity, 1.5-2", White - Faucet Aerators And Adapters - Amazon.com
Oatey 39016 Air Admittance Valve with Straight PVC Schedule 40 Adapter Sure- Vent 1.5 in x 2 in. 160 Branch, 24 Stack DFU Capacity, 1.5-2", White - Faucet Aerators And Adapters - Amazon.com
Is an air admittance valve (AAV) illegal by code?
Oatey Plastic Air Admittance Vent in the Air Gaps department at Lowes.com
Sewage pump with AAV - Plumbing Inspections - InterNACHI®️ Forum
Air admittance valve? - DoItYourself.com Community Forums