Dishwasher air gap overflowing

chief6309 · #1 Sep 29, 2006, 07:51 PM

The air gap for our dishwasher has been overflowing since we bought the house 20 years ago. It was an annoying problem but not serious. I tried to fix this problem several times. I replaced the hose, I replaced the air gap NO JOY. The air gap discharges into the garbage disposal. The disposal seems to drain freely. Now I think that part of the problem is height distance between the bottom of the air gap and the disposal is about a foot. the hose is about 20 inches long, and there is about12 inches of hose run that is has a minimal slope.
Question does the dishwasher have to discharge to the disposal? I live in Leland in Brunswick county North Carolina, does anyone know the local code? I tried the air gap into a bucket and it flows nicely.

letmetellu · Sep 29, 2006, 08:45 PM

If the diameter of the hose is right and it slips over the connection of the disposal easily then I think you problem is the opening into the disposal itself. Disconnect the rubber hose and shine a light into the disposal and see if there is something in the tube that the hose fits onto that you might be able to either scrape out or rasp out without causing a leak. To me it sounds like a restriction right at that point, especially if the dishwasher will drain out of the hose into a bucket. Good luck.



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