One of the most typical reasons your dishwasher isn’t draining well is due to a obstruction in the drain path. This drain line, or drain hose, sends water out of the dishwasher tub after a cycle is completed. If the drain line is clogged, water isn’t able to flow out of the tub. Contact the Service Experts Heating & Air Conditioning pros at 866-397-3787 for plumbing services in Canada.