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    ABxter10's Avatar
    ABxter10 Posts: 3, Reputation: 1
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    #1

    Oct 13, 2008, 09:26 AM
    Wall Drain and sink trap
    I replace my original sink with a new sink that is much deeper. The problem that I have is that the wall drain is now higher than the sink trap approximately 2.5". Is there a trick of the trade to fix this or do I need to lower the wall drain completely that is in the wall? I hope not as this will be some major work. Please let me know.

    Thank you
    letmetellu's Avatar
    letmetellu Posts: 3,151, Reputation: 317
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    #2

    Oct 13, 2008, 09:33 AM

    There is only one possible thing that you might do and that is to turn the J part of the trap so that the short part of the J connects to the sink when you install it this will give you a couple of inches. It is not the proper way to do it but it may work.
    ABxter10's Avatar
    ABxter10 Posts: 3, Reputation: 1
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    #3

    Oct 13, 2008, 09:40 AM
    Quote Originally Posted by letmetellu View Post
    There is only one possible thing that you might do and that is to turn the J part of the trap so that the short part of the J connects to the sink when you install it this will give you a couple of inches. It is not the proper way to do it but it may work.
    Since you said it is not the proper way the best thing I guess would be to lower the wall drain down about 3". Do you agree
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Oct 13, 2008, 04:01 PM

    If you are 3" off now that trick won't help you any. Changing the location of the horizontal drain is best but it could be a lot of work. A lot depends on what the drain pipe does once it enters the wall. If it goes left or righ you need to ripe out the pipe and wall all the way to the first vertical drop. If the drain goes into the wall and turns down you can cut the pipe and slice in a Tee. What are your pipes, PVC or cast?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #5

    Oct 13, 2008, 04:42 PM
    Abxter10...

    Answer the most important question here... what material are the pipes/fittings made of?

    We will figure something out if we can... :)

    Thanks... MARK
    ABxter10's Avatar
    ABxter10 Posts: 3, Reputation: 1
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    #6

    Oct 13, 2008, 11:34 PM
    The Drain Pipe is PVC. It appears to be vertical so I am guessing to cut the pipe enough and add the coupler so my finished dimension will be 3" lower than orginal. The actual distance of the drain and trap is now approximately 2.5". Yes I agree it is going to be a lot of work times two because of two sinks.

    Do you agree on lowering the wall drain or another suggestion?

    Thank you

    Alan
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #7

    Oct 14, 2008, 03:45 AM
    Hi Allen:

    Since it is pvc then it will be easy to try to pipe it up without cutting into the wall... if it doesn't work you can always cut it out and cut into the wall... by the way, it should work ;)

    Just make your own trap out of 90s... this will be a deep trap 90 and should work just fine for you. Be sure to include a full size cleanout somewhere between wall and trap if possible.

    The waste pipe going into the wall cannot be higher than the sink bottom... if it is then you are cutting into the wall... otherwise build your own ptrap as mentioned above... should get you up and draining!

    Let us know what you think!

    MARK
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #8

    Oct 14, 2008, 04:35 AM

    Do you have a clean out plug below the drain inlet? If positive, than you could possibly connect sink drain into clean out and plug the drain inlet and call it clean out.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #9

    Oct 14, 2008, 06:45 AM
    Milo, not every body is living under UPS code and has a clean out on every vertical piece of pipe.

    Allen,
    The Drain Pipe is PVC. It appears to be vertical
    Do you nhave a "s" trap,(see image) installed? If so you have a sinple solution to your problem. You said it with,
    "I am guessing to cut the pipe enough and add the coupler so my finished dimension will be 3" lower than original. The actual distance of the drain and trap is now approximately 2.5"."
    Or lower if you wish. If you indeed have "S" traps and not "P" traps as indicated in your first post,
    do I need to lower the wall drain
    Then you have solved your problem. So let me know exactly what you have. Regards, Tom
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