My bath has a non vented fan needs to be changed but the bath is in the interior of a condo I do have access to a washer drain vent that is shared with 3 other condos.can I dothis without getting into trouble overflow is not an issue since I am on the top floor of the unit

Hi Skalinski:

You cannot connect a ventilation/fan vent into a plumbing vent for any reason! It would be connecting an open vent to open plumbing (no trap) so sewer gasses would enter into your home... not healthy!

If you are on the top floor you should be able to run the fan vent into the attic space and over to the eaves and install an eaves vent there. Let me know all your options...

MARK

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Originally Posted by skalinski

my bath has a non vented fan needs to be changed but the bath is in the interior of a condo i do have access to a washer drain vent that is shared with 3 other condos.can i dothis without getting into trouble overflow is not an issue since i am on the top floor of the unit

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The vent's a no-no. Forget it! You're on the upper floor? Exhaust the fan into the attic. Good luck, Tom

You are in a condo, right? Your property line is the ceiling, that attic space is mine. Stay the hell out of it unless you have my written permission.

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Originally Posted by massplumber2008

Hi Skalinski:

You cannot connect a ventilation/fan vent into a plumbing vent for any reason!! It would be connecting an open vent to open plumbing (no trap) so sewer gasses would enter into your home...not healthy!!

If you are on the top floor you should be able to run the fan vent into the attic space and over to the eaves and install an eaves vent there. Let me know all your options...

MARK

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Well there is no attic I have concrete flooring and concrete ceiling with cinderblock walls between the units

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there is no attic I have concrete flooring and concrete ceiling with cinderblock walls between the units

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OK! I guess the attic's out. Have you questioned your neighbors and asked the condo board what to do? Just a thought. Tom

Harold and Tom are correct here... you can't just go punching through concrete or much of anything else without permission and discussion. However, all codes will tell you that if your bathroom is on an interior space (as you mentioned) it MUST have a properly ventilated fan to reduce the chances of mold development... ;)

Talk to the other condo members and see what they think. Fact is that you really need to find a reasonable way to make this happen, up to and including core drilling the concrete ceiling if need be... ;)

Let us know how you make out... O.K.

MARK