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Old 05-25-2013, 01:05 PM   #1
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What a mess.. Kitchen plumbing help


I am doing a minor renovation around the house, the countertops are being refinished and I will install new sinks and faucets in the baths and kitchen.

Looking at the kitchen plumbing, it is kind of a mess. (picture at the bottom) The person that installed it /rigged it up used 2 p traps into a wye.

I want to plumb it using only one p trap, but I don't know what to do about the wye connection. It is glued in, right at the base of the wall - so I don't know if I would be able to cut it out to replace it with a single pipe.

Will it work if I simply plug the unused inlet? What would you all recommend?

Thanks!



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Old 05-25-2013, 02:24 PM   #2
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What a mess.. Kitchen plumbing help


I would verify that the wye is glued close to the tee first. If not, cut it off next to the hub and glue on a coupling and build out from there.
If you can't do that then it's OK to cap one side of the wye- but cap it with a female adapter and plug.
Also, plan carefully which one to cap- I'd think about using the branch side for an end outlet waste assembly- but you can make that call...

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Old 05-25-2013, 09:18 PM   #3
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What a mess.. Kitchen plumbing help


Some local codes require 2 traps for a 2 bowl kitchen sink.
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Old 05-25-2013, 09:42 PM   #4
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What a mess.. Kitchen plumbing help


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Originally Posted by rjniles View Post
Some local codes require 2 traps for a 2 bowl kitchen sink.
True, but that doesn't apply here and our kitchen sinks work just fine.


That said : If you're not looking at codes, i'd leave the wye there just in case someone was ever to look at it and want it put back with separate traps.
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Old 05-25-2013, 10:35 PM   #5
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What a mess.. Kitchen plumbing help


What is wrong here? I know the height is wrong, at least for the water lines. Why is this an improper way to have the sink drain correctly?
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Old 05-25-2013, 11:51 PM   #6
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What is wrong here? I know the height is wrong, at least for the water lines. Why is this an improper way to have the sink drain correctly?
Nothing really- some areas use 2 traps, others don't
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Old 05-26-2013, 10:33 AM   #7
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Nothing really- some areas use 2 traps, others don't
Technically 2 traps on a single trap arm is a UPC violation, but it would probably work just fine.
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Old 05-26-2013, 10:49 AM   #8
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What a mess.. Kitchen plumbing help


Thanks for all the feedback.

I had no idea that two p traps can be considered proper. The sink works fine as it is, so I might just end up leaving - but replacing the metal pipes as some are corroding.

I just figured plumbing it with 1 p trap would clean it up and give a little more storage space underneath the sink.

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