What is the most common cause for a dishwasher not to drain?

• <div><p>If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out <a href="https://www.angi.com/articles/how-to-unclog-dishwasher.htm">how to unclog a dishwasher,</a> but you may need to call in a plumber if you can’t locate and clear the clog yourself.</p></div>

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Verified Reviews for Dishwasher Installation pros in Katy, TX

*The Angi rating for Dishwasher Installation companies in Katy, TX is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

*The HomeAdvisor rating for Dishwasher Installation companies in Katy, TX is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

Last update on July 10, 2025

Reviewed in July 2025
I highly recommend Anthony for any appliance repairs! He recently worked on my dishwasher and was incredibly professional and knowledgeable throughout the process. When the initial repair didn’t fully solve the problem, he promptly returned and replaced another part—all at no extra charge. It’s...
Banana Nation Appliance Specialists
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Reviewed in December 2024
Very informative, explained options, and was able to repair my dishwasher.
Vector Appliance Repair
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Reviewed in October 2024
Mr Armstrong did an excellent job fixing my dishwasher door that kept falling. He was professional, courteous and quickly repaired my dishwasher door. I will definitely use him again and highly recommend him to others.
Armstrong Handy Repairs
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Reviewed in March 2024
I depend on Evolution Services. They are knowledgeable, courteous, and prompt. They have repaired my washer, cleaned the dryer vent (we do this annually), and they installed a built in double oven, gas cooktop, microwave, and 3 new dishwashers. I have used them at two different homes. They even...
Evolution Services Group
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Reviewed in October 2023
Smooth process, reasonable pricing and reliable dishwasher installation service! The tech even visited our house second time to change the placement of the dishwasher to our liking.
MegaFix Appliance Repair
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Reviewed in June 2023
They were really good, diligent, did a great job, and I appreciate the service. He did his absolute best to fix the dishwasher, he's polite, and I'm happy.
Blkmarket appliance repair
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Reviewed in January 2023
I thought I had already submitted a review several days ago. I'd had over several months worth of accummulated dust and dirt due to my disabilitiesi, so under the circumstances, the ladies did an outstanding job! Only really 'minor' dissatisfaction was that the older of the two who had...
Maid Sense North
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Reviewed in April 2022
Showed up on time. Fixed my dishwasher properly, quickly, and for less than I expected to pay. I will this company call again.
ISC Appliance Services
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Reviewed in June 2021
Overall great . Tried my home warranty but the home warranty unable to fix dishwasher. Contacted A&A and came out same day and fixed my dishwasher. Aron made it look easy and explained exactly what was wrong and upfront about cost. Felt really good about using this company. Recommend to...
A & A Appliance Repair
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Reviewed in April 2020
Very courteous. Offer to take away my old dishwasher. Very efficient. I would recommend their services to anyone.
Esteban Handyman Services
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Dishwasher Installation questions, answered by experts

If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out how to unclog a dishwasher, but you may need to call in a plumber if you can’t locate and clear the clog yourself.

You should follow the instructions listed on the detergent packaging and in your dishwasher user manual. Often, this means inserting the tablet or pod into the detergent dispenser (and not in the bottom of the dishwasher). If you put the pod anywhere else, it might dissolve too early in the cycle and fail to clean your dishes properly.

If the dishwasher is in working condition, start and run a complete cycle with nothing inside. Let it drain and sit overnight before removing the hoses. In theory, it should effectively drain. You may find residual water in the hoses, but you can plug them. If the dishwasher breaks down midcycle it can sometimes be full of water. You’ll need to manually remove the water with a plastic cup before removing the dishwasher.

Professional services ensure correct installation, verify water-tight seals, and safely address plumbing and electrical connections in dishwashers.

Installation includes leveling the unit, connecting water and electrical lines, securing the unit, and testing for function and leaks.

The Katy, TX homeowners’ guide to dishwasher installation services

From average costs to expert advice, get all the answers you need to get your job done.

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