Why does a dishwasher have to drain through the sink plumbing?

• <div><p>Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.</p></div>

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Q: How long does it take to repair a dishwasher?

• <div><p>Most repairs take 1-3 hours, but complex issues requiring part replacements may take longer if parts need to be ordered.</p></div>

Q: How often should I have my dishwasher serviced?

• <div><p>You should deep-clean your dishwasher <b>every month </b>for optimal performance. A simple scrub down using a homemade vinegar liquid solution is all you need, but don&rsquo;t use <a href="https://www.angi.com/articles/things-you-should-never-clean-dishwasher.htm">cleaners that aren&rsquo;t for dishwashers</a>. </p><p>If your dishwasher needs repair, expect to spend between <b>$50 and $100</b> or <b>$100 to $200 per hour</b> to hire a dishwasher repair technician to service your machine.</p><p>Treat hard water with water treatment tablets to keep your dishes from getting spotty in between washes. Drop one of these into your dishwasher monthly and run a basic cycle with the machine empty.</p></div>

Q: Can an air gap cause a dishwasher not to drain?

• <div><p>A clogged air gap can cause a <a href="https://www.angi.com/articles/why-wont-my-dishwasher-drain.htm">dishwasher not to drain</a>. There are, however, other potential issues that can lead to improper drainage. For example, if you have attached the air gap to a garbage disposal and forgotten to remove the knockout plug, wastewater may backflow into the dishwasher. Check that the air gap is installed properly, and then look for clogs in the air gap and dishwasher filters. </p></div>

Q: What noise should a dishwasher make?

• <div><p>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.</p></div>

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Verified Reviews for Dishwasher Installation pros in Bentonia, MS

*The Angi rating for Dishwasher Installation companies in Bentonia, MS 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 Bentonia, MS 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 June 27, 2026

Reviewed in June 2026
Hunter did a great job on my house. He had to put in a new breaker box and wiring throughout the house. He also installed a couple outdoor outlets I requested. I was very pleased with his work . He is very professional and easy to work with. Definitely recommend him for any of your electrical...
D4 Electrical
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Reviewed in June 2026
I had a spring break on my garage door. Eric came out, replaced both springs, lubricated my entire garage, and got everything working like new.
Magnolia Dock & Door LLC
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Reviewed in May 2026
Job was completed in a timely and professional manner.
Wynn and Weeks outdoor services LLC
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Reviewed in November 2025
We gave us an estimate on time. He showed up when he said he would. He helped with obtaining lumber, Paid attention to detail, Kept us well informed. Our job was a deck replacement. Did more than we asked. We will hire him again.
Sinclair Remodel and Repair
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Reviewed in March 2024
Worked until the job was finished and left the area clean and neat.
Limb By Limb Tree Services
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Reviewed in February 2024
Justin did a great job on install. He was timely and efficient and communicated well at letting me know what problem I had and what it would take to fix it.
Central MS Air Works
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Reviewed in February 2023
The bins were delivered on time and the owner was very professional. Would recommend this business to anyone.
Stewart Dumpster Rentals
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Reviewed in June 2021
Excellent and timely work from bid to completion and clean up
1st Choice Construction Services, LLC
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Reviewed in July 2018
I have never been more pleased with a company I have just met. From day one, from the first message and phone call, AirSouth has been dependable, honest, upfront, understanding, professional, and curtious. I have met several of their staff, from reception to technitians to their install crew. I...
AirSouth Cooling and Heating
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Reviewed in September 2016
We originally bought a house in Brandon that they had done foundation work on. When the house started settling, we called them to come take a look and see what our warranty covered. I will say they stand by their warranty. They had that home repaired within 1 day! When we sold that home and...
Bowlin Foundation Repair
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Dishwasher Installation questions, answered by experts

Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.

Most repairs take 1-3 hours, but complex issues requiring part replacements may take longer if parts need to be ordered.

You should deep-clean your dishwasher every month for optimal performance. A simple scrub down using a homemade vinegar liquid solution is all you need, but don’t use cleaners that aren’t for dishwashers.

If your dishwasher needs repair, expect to spend between $50 and $100 or $100 to $200 per hour to hire a dishwasher repair technician to service your machine.

Treat hard water with water treatment tablets to keep your dishes from getting spotty in between washes. Drop one of these into your dishwasher monthly and run a basic cycle with the machine empty.

A clogged air gap can cause a dishwasher not to drain. There are, however, other potential issues that can lead to improper drainage. For example, if you have attached the air gap to a garbage disposal and forgotten to remove the knockout plug, wastewater may backflow into the dishwasher. Check that the air gap is installed properly, and then look for clogs in the air gap and dishwasher filters.

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 Bentonia, MS homeowners’ guide to dishwasher installation services

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

See all articles

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