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Old 11-02-2010, 10:38 AM   #16
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Proper drain and vent help needed


So the upper part of wye would feed toilet and horizontal end of wye would feed sink and tub? I've only got 8" joists, can I get all that in there? Thanks

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Old 11-03-2010, 08:26 AM   #17
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Proper drain and vent help needed


Yes to the plumbing part. You must keep the pipe that goes to the sink tee 2" to be a legal wet vent. Even if you could keep the 3" for the toilet jammed into the joist space I doubt I'd want to drill 2 3/4" holes through the joists for the sink drain pipe. Head to the DIY carpentry for that stuff though. Good luck!
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Old 11-03-2010, 08:52 AM   #18
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Proper drain and vent help needed


thanks again. please see attached pic, i know its rough, but hopefully workable. So i'm using a sanitee 3x3x2 where it enters 2nd floor, and then a wye for sink and tub, any special kind needed? Then a regular 90 at the toilet? And for the 1st floor sink, i don't have access behind that and there is a large window above it across kitchen. Is there any other way to vent that? Thanks
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