aav needs to be moved to allow new sink

butwhydoitalk2u

I am putting a new undermount sink but I have an aav that is 3 inches too high to.give the sink clearance. I would like to know if I route the pipe the way its laid out in the picture if it would still be functional.

plumberman134

It will function but I would cap the lower drain and use the top one.That setup would be illegal where I live.

butwhydoitalk2u

i live in florida. Miami to be exact. This is how i purchased the house from the builder. It is a townhouse and the kitchen and the downstairs half bath have aav - not on the same line.

so what you are saying is to just completely close the bottom drain, assuming that they are connected - i am hoping so. then just run my disposer and other sink to one outlet? how?

to make matters worse. i hit the valve and it began to leak behind the compression nut. Do i just cut the pvc and slip on another, or is there a better way of doing this being that i am going to replace it anyway.

plumberman134

If that's the case I'll assume it passed inspection therefore it should be fine to leave the waste lines as they are.Take a closer pic of the leaking valve for advice on how to fix that problem but your drain and aav will be fine with what your planning to do