How do I clear my dishwasher air gap?
To clear a clog from your dishwasher air gap, remove the cover and use a long-handled bottle brush to remove food particles that may be stuck in the tubing. You can also try clearing the clog by placing a paper towel tube over the opening and blowing into it to dislodge the debris.
If neither of these methods work and your garbage disposal was recently installed, it’s possible that the knockout plug was never removed. To remove the knockout plug, unplug the disposal and disconnect the hose linking the air gap drain to it. Use a hammer and screwdriver to tap the knockout plug out of place to allow water to flow through the tubing. Once you have reconnected the drain hose, reach inside the disposal to remove the loose plug before plugging it back into the power supply.
If none of these techniques work and the air gap is still leaking, it may be time to contact a professional. Repair and replace services from Whirlpool brand provide professional help when you need it.