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>

How do I know if my dishwasher drain hose is clogged?

• <div><p>Your dishwasher drain hose may have a clog if your dishwasher is full of water, your dishes aren’t getting cleaned, or water takes a long time to discharge into the garbage disposal.</p></div>

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Verified Reviews for Dishwasher Installation pros in Florence, KY

*The Angi rating for Dishwasher Installation companies in Florence, KY 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 Florence, KY 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 February 16, 2026

Reviewed in February 2026
Jordan was very knowledgeable and very timely completing the job. He also pointed out and demonstrated that there may be a further drain issue that he recommended to have cleared before i use my dishwasher - I agreed. I also appreciated his understanding of my financial issue and he was...
J&P Plumbing
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Reviewed in April 2025
What a great job! And in a short amount of time we had our new cabinets installed, our new microwave installed, as well as our dishwasher. They also repaired some wall and ceiling issues we were dealing with. We couldn?t be happier with the results! Will definitely use this company again, and...
J.C Valley Construction LLC
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Reviewed in April 2025
These guys were awesome. I was left without a dishwasher because my old one was hardwired but my new one needed a plug, and Dustin and his guys squeezed me in with very little notice and did great work. I can't stress enough how wonderful they were to work with and be around.
More Power To You LLC
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Reviewed in April 2024
I renovated my kitchen and had to upgrade the electric to accommodate the dishwasher and upgraded appliances. Andrew rewired the kitchen, moved several outlets, and made upgrades in the electrical box. He priced it fairly and completed the work on time and to code. He was also polite,...
Bell Electric, LLC
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Reviewed in March 2024
installers Ryan A and Matt H did a excellent job on the shower install. arrived around 9AM tore the old tub and shower out and completed the new shower install around 5PM,not to forget their supervisor stopping by to do a little plumbing job with the project.A fine group of guys to have on site.
West Shore Home Lexington
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Reviewed in September 2023
The installer did an excellent job.
The Gutter Magician of Northern Kentucky, Inc.
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Reviewed in May 2023
The work was done in a timely manner and the installer did very professional work
RS Lightning Protection
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Reviewed in May 2021
Informative and helpful. Was able to come out the day after we talked to replace a dishwasher that was extremely old and not installed correctly. Would highly recommend.
Premier Kitchen Solutions LLC
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Reviewed in January 2021
My dishwasher is working fine now.
A Budget Appliance Repair
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Reviewed in May 2020
Fixed a pipe and my dishwasher draining issues for a very reasonable price and stayed until the job was complete.
Plush-N-Plush
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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.

Not all dishwasher noises are signs of trouble, as dishwashers naturally make sounds during operation. Normal sounds for a functional dishwasher include humming, swishing, and sloshing. However, if you hear problematic noises such as pounding, drumming, grinding, or rattling, it could be a sign of an underlying issue, and you should consider having a technician inspect your appliance.

Your dishwasher drain hose may have a clog if your dishwasher is full of water, your dishes aren’t getting cleaned, or water takes a long time to discharge into the garbage disposal.

Limescale can build up outside your dishwasher if you live in a home with hard tap water. Any household surface exposed to water and heat may have unsightly limescale deposits, including kettles for boiling water, sinks, countertops, toilets, taps, tubs, shower doors, glassware, and aquariums. Glass, laminate, porcelain, granite, and other similar surfaces can all have limescale.

It might be time to buy a new dishwasher for your kitchen if you consistently notice a significant amount of water left over after a cycle, indicating potential drainage issues that are becoming persistent or costly to fix. Visible rust, especially on the interior tub or racks, suggests internal corrosion that will likely worsen over time and can compromise cleaning performance. Additionally, if your dishes are coming out excessively hot after the drying cycle, it could point to a malfunctioning heating element or thermostat, which can be an energy inefficiency and a potential safety concern, making replacement a feasible choice.

The Florence, KY 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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