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Old 11-10-2011, 02:48 PM   #1
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Proper venting for new second sink in double vanity


Here is a picture of the current plumbing situation. What do I need to do to properly vent the new sink.

Thanks in advance
Mindy
Richardson, TX
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Old 11-10-2011, 03:15 PM   #2
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Proper venting for new second sink in double vanity


I would replace the existing TY with double TY and run an arm to each sink.
you would need a 2x1-1/2 bushing or reducing coupling to use this one.

http://www.lowes.com/pd_23416-1814-P...tee&facetInfo=

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Old 11-10-2011, 03:57 PM   #3
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Proper venting for new second sink in double vanity


No worries on the vent. Your good to go just as it is.
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Old 11-10-2011, 04:17 PM   #4
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Proper venting for new second sink in double vanity


Quote:
Originally Posted by DannyT View Post
I would replace the existing TY with double TY and run an arm to each sink.
you would need a 2x1-1/2 bushing or reducing coupling to use this one.

http://www.lowes.com/pd_23416-1814-P...tee&facetInfo=

Ok, so this is all I need to do making sure the arms going to the sinks have 1/4 in per foot slope right?

Thanks,
Mindy
Richardson TX
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Old 11-10-2011, 08:56 PM   #5
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Proper venting for new second sink in double vanity


This is the fitting I(and my inspectors) prefer for your application.
It also has the vent reducer built into it. But you may not find it at HD or Lowes. I call it a fixture cross.
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