Posted by Deb on May 15, 2003 at 19:59:12:
In response to Re: VENTING
: hi and thanks in advance for the advice.
: I would like to install a toilet 1 foot away from the
: main dwv stack.Being so close do I need to vent this?
: The stac serves 2 bathrooms above.

: thanks

Since this is a drainage stack for an upper floor, it cannot also serve as a vent for a lower floor (wet venting between floors). You will need to vent the toilet (and any other fixtures in that bathroom) and run it out through the roof by itself or tie into another vent 6" above the flood rim level of the highest fixture that vent serves.
The Pipewench

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