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Thread: How to install dishwasher drain to double sink?

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  1. #1

    Default How to install dishwasher drain to double sink?

    I am remodeling my kitchen and I am adding a dishwasher. Previously there was none. I know my local ACE hardware sell's a pvc branch with tail to attach dishwasher drain. My question is with a dual sink setup how do I attach the branch tailpiece and the horizontal pvc piece that connects both sinks? Does anyone have a diagram or website where I can see a diagram of the setup? Everything I find only has examples for a single sink setup.

    Thanks for your help

  2. #2
    Homeowner geniescience's Avatar
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    End outlet
    with
    dishwasher branch connection

    Search on these terms.


    Also:
    Center outlet
    CONTINUOUS WASTE
    dishwasher Wye
    dishwasher Tee


    -david

  3. #3
    DIY Senior Member Livin4Real's Avatar
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    If there is enough pipe after the trap (between sink trap and floor of cabinet) in the vertical section would be a good place to put a wye for the dishwasher.
    That's how I plan on running the one I'm about to install in our remodel.

  4. #4
    Master Plumber wyoplumb's Avatar
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    do not install after the trap. It is possible to get sewer gas through your line and into your dishwasher which in turn you will get the gas in your kitchen area. You need to put the branch wye in before the trap. you may need to lower your waste outlets coming off of your sink strainer baskets.

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    DIY Senior Member Livin4Real's Avatar
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    I was assuming there would be a trap for the dishwasher as well. The one-piece p-traps.
    Last edited by Livin4Real; 09-19-2007 at 02:56 AM.

  6. #6
    Moderator & Master Plumber hj's Avatar
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    Default livin4real

    Connecting it directly to the drain system, with or without a trap, is usually illegal because contamination in the DW could occur very easily under the right conditions.

  7. #7
    Homeowner geniescience's Avatar
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    you will see diagrams aplenty, Tciura, so you will know that your trap is the last thing in the series.

    what have you found so far? What material is your "tubular" made of. Tubular is one more good word to use in key word searches.

    Tubular is the pipe stuff that repairpeople, handymen and handywomen are allowed to change out, without being licensed as plumbers.


    david

  8. #8
    DIY Senior Member Livin4Real's Avatar
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    OK, going to try and redeem myself now, lol.


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