One of the most typical reasons your dishwasher refuses to drain correctly is because of a clog in the drain tube. This drain line, or drain hose, moves water out of the dishwasher tub after a cycle is completed. If the drain line is obstructed, water won’t flow out of the tub. Call the Finch Air Conditioning & Heating pros at 281-407-9478 for plumbing services in Kingwood.