Washing machine tee used for dishwasher

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by hudsonv845, Sep 3, 2020.

  1. hudsonv845

    hudsonv845 New Member

    Joined:
    Oct 19, 2016
    Location:
    New York
    I went to my local plumbing supply place to see if they had a dishwasher tailpiece, with the inlet close to the slip nut. I have a deep double sink, so don't have much room. They sold me a Matco-Norca WTI77, which is a cast brass washing machine tee. It's a lot more compact than a tailpiece but I'm wondering if it is okay and legal to use. A regular dishwasher tailpiece has the inlet at a angle and has a baffle inside the tube, but this WTI77 has a straight 90 degree connection. They also sold me a 1/2" threaded barbed hose fitting, which seems way to small. Is it okay to use the washing machine tee for a dishwasher?
     

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  2. Sylvan

    Sylvan Still learning

    Joined:
    Sep 23, 2004
    Occupation:
    plumbing - fire suppression - boiler inspector
    Location:
    New York
    I use these all the time as I do not trust the tubular type of DW tee connections

    I install a 1/2 C X M adapter into the threaded part with a short piece of L tubing and use hose clamps

    BUT I place it on the TRAP less chance of the waste flowing back to the sink
     
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  4. hudsonv845

    hudsonv845 New Member

    Joined:
    Oct 19, 2016
    Location:
    New York
    Thanks. I'll use the same adapter setup too, since I don't like the looks of the plastic one.
     
    Sylvan likes this.
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