Why your dishwasher smells and how to fix it with a simple hose replacement

How to Replace a Smelly Dishwasher Drain Hose | This Old House · 5:11 · Video: This Old House · Watch at the source

In short: A foul-smelling dishwasher is often caused by a degraded or dirty discharge hose. Plumbing expert Richard Trethewey demonstrates the process of swapping out an old, odor-trapping drain hose for a new one to restore freshness to your kitchen appliance.

Over time, dishwasher drain hoses can accumulate debris and stagnant water, leading to persistent unpleasant odors. Richard Trethewey shows how to address this issue by installing a new discharge hose, a practical maintenance task that ensures the appliance functions cleanly.

To perform this replacement, you will need a shallow baking dish to catch any residual water that drains from the hose during the process. This simple intervention is a common home improvement solution for maintaining kitchen hygiene and appliance efficiency.

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