Re: Is a seperate vent required for a tub?
Posted by Terry Love on June 12, 2002 at 11:51:17:
In response to Re: Is a seperate vent required for a tub?

: When plumbing in a tub/shower unit, is it necessary to plumb in a seperate vent for the tub? One source told me that the tub will vent through the overflow, and a seperate vent line isn't necessary...another told me that it is a good idea to "T" in a seperate vent. I am running 1 1/2" PVC to the drain unit.

: Thanks much for the help,
: Tom

What "source" would tell you a vent "after" the p-trap would vent it?
Here is what happens without the vent.
Imagine draining your tub, and as it drains, a bunch of "Yeach", all gooey and slimey starts filling up the adjacent shower pan. And it happens everytime you drain your tub. Yeach!
Put the vent in.

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