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Methods of Venting Plumbing Fixtures and Traps in the 2018 IPC
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Studor Maxi-Vent Air Admittance Valve For Venting The Soil Stack and Avoiding Roof Penetration | Buy Air & Vacuum Valves & More at Southern Pipe & Supply
sewer - Do you really need a pipe out for potential harmful gas for pump - Home Improvement Stack Exchange
Is an air admittance valve (AAV) illegal by code?
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
Air admittance valve? - DoItYourself.com Community Forums
Venting a Sewage Ejector Tank | JLC Online
plumbing - Connecting a sump pump to sewer - Home Improvement Stack Exchange