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Dec 13, 2019 at 14:39 comment added Ed Beal That is good advice AAV’s are not allowed in many locations but they do the job well if placed high placed low they get gummed up and fail sooner.
Sep 11, 2019 at 15:13 comment added Greg Hill It's probably best to contact your "authority having jurisdiction" (AJH, ie the building inspector) to confirm that AAV is accepted where you are and to ask whether there are requirements as to its position. Absent any guidance from AHJ, I'd suggest it should go in an accessible place such as the sink base cabinet and it should be as high as can be comfortably achieved. Also be aware that an AAV is mechanical and will eventually fail -- it'll either stick closed or fail to seal and would need to be replaced.
Sep 11, 2019 at 4:17 comment added Kevin K I decided to go with an AAV. How and where do you recommend I install the valve?
Sep 9, 2019 at 21:53 history answered Greg Hill CC BY-SA 4.0