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Well, I have used the old vent. Plus, put in a syphon vent above the drain under the sink.
So I have a drain in new location w/cpvc vent and a 2" pipe that runs about 3.5 ft to 90 degree bend, then...

OK, thanks. I will pitch the vent at 45 degress from the verticle cutoff into the 2" drain pipe as it comes around the 90 degree corner bend.

Appreciate the help. I was also going to have a trap...

Thank guys. I have been told by a contractor that AAV's are not allowed here. But I want to put one in anyway along with the original vent. So the AAV will vent about 4 ft up to where the original...

Thanks, I guess I can use the existing vent and just run it horizontal and connect before the turn in the wall. I will check the AAV solution as well.

Put HS grad w/2 yrs college working toward degree.

Hello all you plumbers,
I am remodeling my kitchen and moving my sink from an interior wall to a exterior adjacent wall under a window. The current vent services only the kitchen draIn and goes up...

I want to move my sink in my kitchen to an adjacent wall, can I run the vent just to the top of my 1st story roof? Is there a height requirement? I live in Hawaii.
Thanks