Outside Vent for Plumbing System - HELP!

Old 08-01-11, 07:20 AM
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Outside Vent for Plumbing System - HELP!

I had some vinyl siding repaired by my front porch and part of the repair was a new cover for what I think is some time of vent for part of the plumbing system in my house. The old cover was like an upside down triangle, the new cover is exactly like the one I have for the exhaust vent on my clothes dryer, three horizontal slats. The question I have is, is the new cover the correct cover? I don't know if the vent for the plumbing is an intake or exhaust. If its an intake, than I got the wrong cover. The pipe is a large thick cast iron pipe that runs from the front of the house on the wall into the garage, into the garage floor, into the basement and then up again thru the wall into the house. Any idea? Help
Old 08-01-11, 09:09 AM
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Sounds like a vent for a whole house trap.

There should be no cover on it at all. It needs to be open. It should have somthing that looks like a shower drain over it. Or just a curved down fitting.

I assume you have something like this.

Mike NJ

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