On Aug 16, 9:17*am, wrote:
On Aug 16, 9:32*am, "

wrote:
I recently hired a contractor to install a bathroom ceiling fan. *He
hooked it up to vent out an existing vent stack. *Is this OK to do?

Thanks,

If by existing vent stack you mean a vent stack for the sewer system,
the answer is NO. *It's a code violation and for good reason. *It
allows the possibility of sewer gas entering your home.

Run from the moron he doesn't know what he is doing.