Sharing a vent?
Posted by Martin Foster on October 11, 2002 at 20:14:07:
I'm remodeling a 1/2 bath (lav and toilet) into a full bath lav, toilet, bathtub) and reframing the space with some reorganization of fixtures.

Currently the old lav has its own 1.5" vent and the toilet has it's own 2" vent. I'm doing some rearranging and my question is:

can a tub use the 1.5" vent (formerly used by the lav)?

can the new lav and toilet share the 2" vent (formerly used by just the toilet)?

I could add a new vent for the new lav but I'd rather not if it could be avoided.

thanks for any links and/or advice.

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