La Message Board Archives

Re: Blue Bay?

Posted by esmitty on December 8, 2008, 11:31 pm, in reply to "Re: Blue Bay?"

Most Mexican plumbing fixtures, I am told, are installed unvented. This works okay, I believe, until there is slight positive air pressure in the sewer line, and then the stink has got to go somewhere. That somewhere would be out onto the roof if the fixtures were vented. That somewhere is out the fixture itself, if unvented.

Any plumbish sorts care to chime in on this?


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