Unclog Dishwasher Drain Jun 2026

An air gap is a small chrome cylinder mounted next to your sink faucet that prevents backflow.

Turn on your kitchen sink faucet until hot before starting a dishwasher cycle. unclog dishwasher drain

Locate the ribbed dishwasher drain hose feeding into the side of the disposal. An air gap is a small chrome cylinder

Pull the chrome finish cylinder straight up off the sink rim. unclog dishwasher drain

Ensure the flap moves freely to allow one-way water flow out.

Most drainage issues are caused by a clogged filter at the bottom of the tub.