Kitchen Large Electric Appliances - 'Air gap' overflowing from dishwasher draining

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lamsangel
05-15-06, 10:47 AM
When the dishwasher is going through its draining cycle, the water is overflowing a lot into the sink area through the 'air gap'. If you lift off the cap on the air gap, the water flows up about 3 ft. Obviously a lot of pressure there. All the water is draining out of the dishwasher so where is the problem? I would appreciate any suggestions I can get.

majakdragon
05-15-06, 02:45 PM
lamsangel, Welcome to the DIY Forums.
I would say the hose from the air-gap to the drain is partially clogged. The pump on the DW expells a lot of water fast so any small blockage will cause a back-up. Disconnect the hose to the drain and check it. Good luck.
bambiblaster
05-16-06, 05:19 PM
Also if you have recently put in a new disposer you may have forgot to take out the knockout plug....