One of the most common reasons your dishwasher won’t drain correctly is on account of a clog in the drain line. This drain line, or drain hose, flows water out of the dishwasher tub at the end of a cycle. If the drain line is clogged, water isn’t able to flow out of the tub. Reach the Donelson Air Service Experts pros at 615-953-9885 for plumbing services in Nashville.