Air Admittance Valve on Dual Kitchen Sink
Just wondering where the proper location for an AAV is in this setup with the drain through the floor? Yes I know the plumbing appears to be sloped wrong. That's why it is getting redone.
First picture is what I am guessing it should be redone like.
Second picture is the current setup.
Also, what do they mean when they say it must be located 4 inches above the horizontal drain line or above the flood weir? If you were to put it above the flood weir (point at which water would overflow out of fixture), then it would have to be buried in a wall to get it high enough?
they are talking about the weir of trap check link
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