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>

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 Norwalk, CT

*The Angi rating for Dishwasher Installation companies in Norwalk, CT 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 Norwalk, CT 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 May 23, 2025

Reviewed in May 2025
JN Glass got the job done right! They responded to my request quickly, came out in a few days, and installed the door. Would use JN Glass again!
JN Glass
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Reviewed in November 2024
Abdon is very knowledgeable and thorough with giving you all your options! His installers are friendly and hard working. I was very happy with the install and the price!
JRL Granite & Marble
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Reviewed in November 2023
Great experience. Was able to get me in prior to Thanksgiving as i needed my new dishwasher installed. Very efficient, friendly, and did a wonderful job. Will definitely use again!
Prenga Remodeling, LLC
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Reviewed in May 2022
Brian installed a washer and a dryer. He was very clear as to what the issues were and offered solutions that benefited the job and my bottom line. I will hire him again.
Brian Nisbet Plumbing and Heating
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Reviewed in April 2022
Ronald and his team were very professional, on time and did the job well. They installed a dishwasher and range hood for me with no issues and are currently working on other fixes in my kitchen. I will definitely continue to work with them for future projects.
Fairfield Hardwood Floors, LLC.
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Reviewed in September 2021
Very efficient service and installation.
Lance Dorfi, LLC
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Reviewed in September 2021
One of our kitchen cabinets which abuts a dishwasher sustained extensive water damage and needed replacement together with some associated repair. Sam came to our house for an inspection and was very analytical in assessing the damage and very creative in fixing the cabinet. His repair work was...
Sam's Home Improvement
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Reviewed in April 2021
Had Badaracco come in to do a dishwasher install which necessitated replacing some plumbing under the sink. Realized, after the plumber left, that the dishwasher door was rubbing against the countertop and wouldnâ t automatically open at the end of the wash cycle. Badaracco returned the next...
Badaracco Plumbing & Heating, Inc.
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Reviewed in March 2021
I had a slow leak in my dishwasher that caused water damage and then mold developed. What a mess. Rob and the crew at United Water Restoration were great! The crew was so helpful and accommodating, polite and super clean. They even helped me ensure coverage from my insurance company when they...
United Water Restoration Stamford
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Reviewed in March 2021
Safe, honest and professional service. Issue with dishwasher was diagnosed but alternative dishwasher could not be installed “because that would require a plumber”. He provided some contacts and advice to move forward, charged me what he said he would fit the home visit (in the event that no...
Able Service Co. South
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Dishwasher Installation questions, answered by experts

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.

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.

The drain pump will naturally make a standard operational and draining sound several times throughout your dishwasher cycle. If you hear abnormally loud sounds like scraping, grinding, or clicking, you may have food debris or a piece of glass stuck in your drain filter. Avoid dishwasher repair by always scraping food off your dishes and loading the racks correctly.

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.

Basic maintenance, such as cleaning filters, is DIY-friendly, but repairs involving electrical components, pumps, or valves should be handled by a professional.

The Norwalk, CT 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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