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>

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 Buford, GA

*The Angi rating for Dishwasher Installation companies in Buford, GA 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 Buford, GA 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 09, 2025

Reviewed in July 2025
Unclogged dishwasher and works again! Also made recommendations to help prevent the problem from recurring.
All My Appliance Repair and More LLLP
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Reviewed in October 2023
Bob helped me with 2 other projects: He fixed my dishwasher and covered my pool. I rate both jobs a 5
Wallace Design Services
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Reviewed in September 2023
The owner, Mike, and the repair man Victor were both amazing! My dishwasher broke right before weekend guests were arriving. Mike called me back at 6 o’clock in the morning to get me scheduled with Victor. they were able to squeeze me in and Victor kept me updated on ETA all along the way. ...
A ALL APPLIANCE SERVICE
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Reviewed in September 2023
I needed my dishwasher installed and they did it at a great price super happy with work and price 10 out of 10 highly recommend
Rooter ProXpress LLC
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Reviewed in February 2023
We had our dishwasher repair done the next day, even though a part was required. I was amazed at how well the repair went. I hope no other appliances fail, but I will call this company if they do. It's comforting knowing they are there.
Appliance EMT, LLC
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Reviewed in August 2022
Great guy! Did an excellent job fixing my dishwasher! Highly recommend!
Part Time Alias
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Reviewed in November 2021
Mike did an excellent job installing the reverse osmosis system. Previously installed water softener. Very informative and finished in a timely manner. I would highly recommend this company.
Cooper's Water, LLC
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Reviewed in June 2021
Quick install, clean and very professional
HomeCraft Gutters
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Reviewed in September 2020
From the moment we spoke on the phone up until the time he installed my dishwasher he walked me through every step as well as providing a level of education with how it works and basic maintenance of the appliance and connecting water hoses. I will highly recommend and hire again for other...
Quality Home Technicians Specialist
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Reviewed in September 2020
Our repairman was wonderful. He even came out on a Saturday to repair our dishwasher once the part came in. I would definitely use My Appliance Guy again.
My Appliance Guy Inc.
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Dishwasher Installation questions, answered by experts

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.

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

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.

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.

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

The Buford, GA 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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