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Old 05-21-2009, 10:32 AM   #1
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Single to double vanity - Want to do it right


I'm converting my old single vanity to a double vanity. The space is 60" wide and the old vanity was located against the left side wall. I plan to tap off of the existing water and drain lines to run over to the right side. My question is how do I do this so it is code? Harris county is pretty lax about codes so whatever the general rule is concerning this arrangement is good enough. What kind of fittings should I use?

I've attached a picture of what I plan to do, the obviously not to scale but you get the point.
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Old 05-22-2009, 06:11 AM   #2
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Single to double vanity - Want to do it right


anybody?

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Old 05-22-2009, 06:47 AM   #3
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Single to double vanity - Want to do it right


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Originally Posted by bigburb View Post
I'm converting my old single vanity to a double vanity. The space is 60" wide and the old vanity was located against the left side wall. I plan to tap off of the existing water and drain lines to run over to the right side. My question is how do I do this so it is code? Harris county is pretty lax about codes so whatever the general rule is concerning this arrangement is good enough. What kind of fittings should I use?

I've attached a picture of what I plan to do, the obviously not to scale but you get the point.
water lines look ok but on the waste the right way to do is to bring your 2" waste line up in the center of the 2 vanities and install a 2" by 1 1/2" double sanitary tee wye and catch each bowl.
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Old 05-22-2009, 08:05 AM   #4
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Single to double vanity - Want to do it right




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Old 05-22-2009, 09:04 AM   #5
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Single to double vanity - Want to do it right


You're suggesting I 90 it right above the floor over to the middle? I have a slab foundation, so I can't move it like I could with a subfloor.
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Old 05-26-2009, 08:25 AM   #6
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Single to double vanity - Want to do it right


so would it be ok if i used an offset to bring the drain over a few inches, then used the Tee to go to the left and right drains, then another offset above that to bring the line back over to the original vent location?

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