One of the most common reasons your dishwasher isn’t draining properly is on account of a obstruction in the drain line. This drain line, or drain hose, flows water out of the dishwasher tub after a cycle ends. If the drain line is blocked, water isn’t able to flow out of the tub. Get in touch with the Service Experts Heating & Air Conditioning pros at 925-364-5427 for plumbing services in Livermore.