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Old 09-18-2010, 10:45 PM   #16
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water leak from the cap of PVC pipe


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Originally Posted by orchid View Post
I just measured it: 2" ID and 2-3/8" OD.
this is a typical size of vent for a bathroom or sump. Its best to cap it. don't leave it open.
Is all the rough in work completed in your basement?

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Old 09-19-2010, 10:02 AM   #17
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water leak from the cap of PVC pipe


If the water is coming from the cap, and no sign of water on the outside of the pipe, I still think it is condensation. Temperatures vary from your basement and the attic. Vent pipes have fumes and moisture in them. I am guessing the pipe is a vent for future use. It may have enough condensation in it to force water out of a bad glue job. being a vent (if it truly is) the installer probably didn't consider any water would collect and was just trying to stop sewer gas from entering the house.
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Old 09-19-2010, 10:13 AM   #18
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water leak from the cap of PVC pipe


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Originally Posted by majakdragon View Post
If the water is coming from the cap, and no sign of water on the outside of the pipe, I still think it is condensation. Temperatures vary from your basement and the attic. Vent pipes have fumes and moisture in them. I am guessing the pipe is a vent for future use. It may have enough condensation in it to force water out of a bad glue job. being a vent (if it truly is) the installer probably didn't consider any water would collect and was just trying to stop sewer gas from entering the house.
Thanks for the explaination. Am I better off leaving the cap off or do you think I still need it for keeping the sewer gas out?
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Old 09-19-2010, 04:39 PM   #19
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water leak from the cap of PVC pipe


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Originally Posted by TheEplumber View Post
this is a typical size of vent for a bathroom or sump. Its best to cap it. don't leave it open.
Is all the rough in work completed in your basement?
Got it. The job is done. Thanks everyone for the big help.
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Old 09-19-2010, 06:52 PM   #20
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water leak from the cap of PVC pipe


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Originally Posted by orchid View Post
I really don't know. All I see is a PVC pipe sticking out from the basement ceiling with a cap on. Does anybody know the answer?
Help! majakdragon!
The answer is the vent may be tied into another vent or it goes to the roof; if it goes to the roof you would have water dripping every time it rained, if it tied into another vent you could have sewer gas comming thru it.

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