Vent pipes
Posted by Jeff on February 16, 19100 at 19:50:08:
What is meant when I hear plumbers talk about the vent takeoff needing to be 6" above the flood rim of the fixture being vented? I must be missing something crucial in the concept because it doesn't seem like this is ever the case. Isn't the vent takeoff at the san-t, which is in the wall just above the trap? Thank you very much to anyone who can explain what I am not understanding.

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