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Old 11-26-2008, 12:05 AM   #1
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Wye vs. Sanitary tees


I recently completed a kitchen remodel with exception to laying the flooring, while filling/draining my sink I noticed a leak from the wall . I opened the wall up and found that the pipe just below of the sanitary drain was cracked. My question is can I use a wye vs. a sanitary tee to tie in the sink drain, vent pipe and the drain line. I have very limited space to make it work and cannot pull the cabinets due to a recent granite top install.

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Old 11-26-2008, 08:55 PM   #2
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Wye vs. Sanitary tees


Yep, put a street 90 in it, and you should be good.

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Old 11-26-2008, 09:46 PM   #3
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Wye vs. Sanitary tees


If you use a wye/street 45 combo what you are effectively doing is choking off your vent. A tee would be a better fix. However, you'd probably be ok with the wye. I'd oversize the fixture arm if possible to 2" then reduce down to 1-1/2" using a bushing right where it 90s out of the wall.
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