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Thread: Need Longer Drain Hose

  1. #1

    Default Need Longer Drain Hose

    Please Help,

    I bought a new Dishwasher (Kenmore 665.13732K601) and it came with a special drain hose that has a barbbed end that fits into the Dishwasher. It's only 6'-0" long I need it to be at least 8'-0" long. I have talked to Sears severial times and they don't have one . My install manual says I can go up to 12' away to drain it .

    -Thanks

  2. #2

    Default

    Is this not a common problem?

  3. #3

    Default

    OK, so I tryed to install my Dishwasher last night and my hose is about 3" from making it to my air gap.

    I have read that I don't have to have an Air Gap as long as I make the hose loop up under the counter top.

    What is the min. height I need to loop it?

    Is it just above the garbage disposal?

  4. #4

    Default Air-Gap

    You should loop it as high as you can under the sink. Or, you can just connect a short length of hose to the end of your original hose and use your air-gap.

  5. #5
    Retired Defense Industry Engineer jadnashua's Avatar
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    Sep 2004
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    New England
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    Default

    Some locales require an air gap...it truely is safer to use one. Yes, many people go without one. All it takes are just the right conditions and you can end up with contaminated dishes and you might not know it. That is what the air gap is designed to protect you from. But, should you decide to go without it and your inspector will allow it, you want the hose as high as possible. The goal is to prevent any possible backflow into the DW if something gets clogged up. The air gap does that in two ways (redundency is good) - there literally is an air gap in the pathway, preventing it from happening, and, since it is above the countertop, it is pretty hard to flood that high.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  6. #6
    DIY Member jwray's Avatar
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    Oct 2004
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    Virginia
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    96

    Default "Just the right conditions"

    Hey Jim,

    I'm planning to do the high loop attached to the underside of the counter top vs. an air gap, but you have me wondering.

    Can you explain what "just the right conditions" are so I can better assess my risk.

    Thanks,

    Joel

  7. #7

    Default High Loop

    If your sink backs up to the rim and beyond, your high loop will fail, and dirty water will backflow into your dishwasher. If that should happen, all you need to do is run your dishwasher again after you have fixed your drain problem.

  8. #8
    Master Plumber Dunbar Plumbing's Avatar
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    Apr 2005
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    Northern Kentucky/Greater Cincinnati Area
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    2,943

    Default

    Quote Originally Posted by Louisville Fan
    OK, so I tryed to install my Dishwasher last night and my hose is about 3" from making it to my air gap.

    I have read that I don't have to have an Air Gap as long as I make the hose loop up under the counter top.

    What is the min. height I need to loop it?

    Is it just above the garbage disposal?

    If you are in KY, that Air Gap is code. You cut that bell end off the dishwasher hose down to the 5/8" mark and use a 4" piece of copper OR a double barbed nipple attached to 5/8" black hose and connect to the Air Gap.
    Read what the end of this sentence means.

  9. #9

    Default

    Thanks For all the help!!

    I was able to rout the hose another direction and I had just enough hose to connect to the air gap!!

    PROBLEM SOLVED!

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