Double Sinks..One backs up to the other

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Old 08-07-13, 08:51 AM
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Double Sinks..One backs up to the other

Maybe the trap is to low?
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Old 08-07-13, 09:12 AM
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First question... ABS to PVC?
Not particularly a fan of the pipe arrangement. Most double sink kits have a special tee (don't know the name) that has a devider in the middle to direct water down.
How far back up does the pee trap come? Looks like it does down then back up at the same or higher then the tee?
 
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Old 08-07-13, 09:17 AM
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the trap is about 10" lower than the drain out the wall
 
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Old 08-07-13, 09:20 AM
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Sorry, let me reword my question (typing and eating lunch...).
In the picture, it looks as though the drain exits through the wall at or above the elevation of the tee.
Actually, it looks like the drain pipe exiting through the wall is higher then the Tee now. Can you confirm?
 
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Old 08-07-13, 09:24 AM
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Yes above about three inches
 
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Old 08-07-13, 09:43 AM
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So based on what I see, the Tee and pipe going to your sink on the left will always have water in it (because it's lower then the exit point).

Hopefully one of the plumber guys pipes in if I'm incorrect in saying that you'll need to lower the point where the drain exits through the wall.

I'd also probably suggest while you are at it, switching the existing tee with one from a double sink drain kit. The one I installed at my old house had a small devider in the tee that helped direct water down the tee.
For some reason, google images is failing me today and I can't find any that look like what I'm talking about.
 
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Old 08-07-13, 12:37 PM
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Need to remove that bend on the GD and install a straight tail piece,,, Then raise that whole shabang up..

Yes that whole line is filled with water....

Very bad whoever done that....
 
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Old 08-07-13, 05:55 PM
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Thanks for all the help guys..You speaking of the black drain from the GD? Cut the pipe coming off the sink about even with the wall drain..That sound correct?
 
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Old 08-07-13, 06:54 PM
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Does this help??? Sorry primitive....


Name:  gd pic.jpg
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Old 08-07-13, 06:58 PM
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Take that black ell out the GD and replace with a straight tail piece... Then repipe all ...

You will need to cut and trim all to make work...

Its easy if you do it all the time....


Straight tailpiece

 
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Old 08-07-13, 07:23 PM
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Thanks again for the help. I'll buy two of everything just in case
Heck yeah that pic helped...That will really clean it up a lot..
 
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Old 08-07-13, 08:09 PM
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Looks like you have something funky going on with the trap arm going in the wall also...... cant see all that and maybe I dont want too....LOL...
 
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Old 08-08-13, 08:24 AM
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I dunno? I had drain masters come out..They cleared some vents and ran a snake out to the main. He looked at the plumbing and said to add a "Y" at the drain into the wall ...I like your plan better.
 
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