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Old 03-31-2015, 10:36 PM   #1
Join Date: Mar 2015
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Plumbing in basement (sink and shower)

Hi, I am installing a bathroom in my basement!

My home builder already roughed in a drain for the sink and shower also roughed in for the toilet into the 3" soil stack.

My question is do I need to vent individually or can that be considered stack vented as there is a vent on top to open air!!


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Old 03-31-2015, 10:46 PM   #2
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Plumbing in basement (sink and shower)

Hi, Jayoliver- welcome aboard!

It's hard to answer completely because we can't see your plumbing layout.
More than likely, your venting is not complete. How is the lav vented and what size? Does any other drain lines enter the 3" on upper floors?

What would really be helpful is if you uploaded a couple of pictures. Also, your location (state) would help us determine which plumbing code was used for your install- venting requirements vary per area.


When posting in forums, letting us know your location will help others give better feedback/advice/solutions to your questions
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