Air Admittance Valve seems to be a problem | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![plumbing - Other options for an air admittance valve besides underneath the sink? - Home Improvement Stack Exchange plumbing - Other options for an air admittance valve besides underneath the sink? - Home Improvement Stack Exchange](https://i.stack.imgur.com/xBg3W.jpg)
plumbing - Other options for an air admittance valve besides underneath the sink? - Home Improvement Stack Exchange
![Can an air admittance valve be installed this way? This isn't a typical installation with a vertical pipe going down. This sink is draining into a macerating toilet in the basement : Can an air admittance valve be installed this way? This isn't a typical installation with a vertical pipe going down. This sink is draining into a macerating toilet in the basement :](https://i.redd.it/ep8a5ne6a9r61.jpg)
Can an air admittance valve be installed this way? This isn't a typical installation with a vertical pipe going down. This sink is draining into a macerating toilet in the basement :
![2 Air Admittance Valves on double sink, IPC 2009 | Terry Love Plumbing Advice & Remodel DIY & Professional Forum 2 Air Admittance Valves on double sink, IPC 2009 | Terry Love Plumbing Advice & Remodel DIY & Professional Forum](https://terrylove.com/images/pic/aav-kitchen.jpg)
2 Air Admittance Valves on double sink, IPC 2009 | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![Amazon.com: Oatey 39239 DFU AAV Installation Kit 1-1/2" P-Trap, 6" Extension Tube, PVC Threaded Adapter & deep Box Flange, 1.5 in. 20 Branch, White : Everything Else Amazon.com: Oatey 39239 DFU AAV Installation Kit 1-1/2" P-Trap, 6" Extension Tube, PVC Threaded Adapter & deep Box Flange, 1.5 in. 20 Branch, White : Everything Else](https://m.media-amazon.com/images/S/aplus-media/vc/a232fd71-68f9-4a01-865c-5c4c3904fddf._.jpg)
Amazon.com: Oatey 39239 DFU AAV Installation Kit 1-1/2" P-Trap, 6" Extension Tube, PVC Threaded Adapter & deep Box Flange, 1.5 in. 20 Branch, White : Everything Else
![Floplast Compression Air Admittance Valve 40mm White - Plumin Online | Waste, Rainwater and General Plumbing Supplies Floplast Compression Air Admittance Valve 40mm White - Plumin Online | Waste, Rainwater and General Plumbing Supplies](https://plumin.co.uk/wp-content/uploads/2023/02/Air_admittance_half.png)