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    russharv63's Avatar
    russharv63 Posts: 65, Reputation: 1
    Junior Member
     
    #1

    Oct 7, 2009, 12:12 PM
    Why is liquid waste backing up in my dishwasher when I use my garbage disposal?
    I live in a two bedroom apartment. When I use my garbage disposal liquid waste backs up in my automatic dishwasher. What is causing this and how can I fix it?
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
     
    #2

    Oct 7, 2009, 08:52 PM

    Because you do not have an air gap or a high loop in the dishwasher drain hose. Suggest that you secure the drain hose to the underside of the counter top as shown below.
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