nwbearcats98
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I am finishing my basement with a 3/4 bath. It is not close to the venting stack(s), so it looks like I need to use an AAV. The shower stub is a 12" x 12" square in the concrete floor with a horizontal 2" pvc pipe capped, under the concrete it converts to the main drain and drains past the WC, which is vertical through the floor, the main drain then goes down to the lav drain (2" pvc) that is vertical through the concrete. Does this diagram show the best (only way) to use an AAV to vent this system?
Thanks in advance!
Thanks in advance!