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Good idea Reach4. I was trying to think of way to do that. I like the idea of a removable grill. mliu, At this point running a vent under the floor is highly impractical since I'm on a concrete slab. Can I ask why the AAV is not recommended? I've actually been using my sink without the...

Awesome, thanks mliu. Yeah, I'm guessing the existing plumbing was installed almost 30 years ago when the house was built.

Great thanks for the advice. I have one other question.. If I cap off the old vent line sticking up on the right side of the picture, will this cause an issue with trapped air? I plan to put the AAV (or now island venting) inside the sink cabinet. Thanks!

Hi All, I’m renovating my kitchen and would like to know if I can cap off my old vent and install an Aav in its place. The picture is the back of my sink. I’ve cut off the vent that used to be routed through the roof. My plan is to cap that off and put an aav underneath the sink. Is this ok or...