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Hi All: After reading many of these threads about venting, it sounds like there is never a bad time to use an AAV to vent a fixture. It also seems more cost effective to use AAVs instead of having to route pipe all the way to the roof? When or why would you not want to use a AAV to vent a...

Drain Properly Vented? Thanks for the help. Just a couple of clarifications: 1) Looking at the PDF, is the pipe layout correct? Does it make sense to connect all three stacks to a 3" pipe running down the center, or would it make more sense to run a main pipe diagnally from the furthest...

I am building a 24' x 44' cabin. Plans have been approved, foundation walls have been poured and am roughing the plumbing in the basement before the slab is pour. The basement has 8 foot tall walls. There is a kitchen sink on first floor. Full bathroom on first floor (sink, shower...