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What To Do About Dishwasher Low Water Pressure

If your dishwasher is producing dirty dishes, it’s possible your dishwasher has low water pressure. When that’s the case, you’ll want to check out your system to quickly restore sparkly clean dishes to your kitchen shelves.

What's Causing My Dishwasher Low Water Pressure?

Your dishwasher uses a powerful combination of hot water and high water pressure to clean the grime off your dishes. Your dishwasher’s low water pressure may be due to a clog in your unit’s drain lines, which will need to be cleared out.

How to check for dishwasher low water pressure

  • Open your dishwasher and look closely at the spray arm(s). All the holes should be clean and clear of debris. If you see food or dirt in the holes, your spray arm is clogged.

  • Start a wash cycle in your dishwasher. After the cycle begins, listen closely for a swishing noise. This noise should be very distinct and loud enough to determine whether the water is swishing around freely or if it's obstructed somehow. If you can't hear the water inside swishing around, it may be a sign that there isn't enough water pressure.

  • After your dishwasher has been running for a few minutes, open the dishwasher door carefully. Inspect the dishes for water droplets. If your dishwasher has enough water pressure, all the dishes should be wet. If some are dry, there is a blockage somewhere that is lowering the overall water pressure and distribution.

    CAUTION: Stand back a bit and open the door carefully. Water shouldn't splash out, but it's best to be cautious.

If your dishwasher's water pressure seems fine, consider other reasons for dirty dishes.

What To Do About Your Dishwasher's Low Water Pressure

When your dishwasher’s water pressure is low, there’s likely something blocking the water from flowing properly within the unit. You’ll want to have the drain lines checked for any clogs.

Think you’ll need a helping hand? Reach out to our Remote Assist experts for a virtual diagnosis!

NOTE: This content is for informational purposes only, and HomeX and its affiliates disclaim all liability related to it. If you decide to perform any tasks based on this information, you assume all risks, including the risk of loss or damage to property or personal injury.

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