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>

Are all dishwashers 60cm wide?

• <div><p>Not all dishwashers are 60cm wide, but that tends to be the most common size. 60cm translates into roughly 24 inches, with most home dishwashers being between 22 and 24 inches wide. There aren’t metrics available but it’s been our experience that over 90% of household dishwashers in North America are around 24 inches wide by 24 inches tall.</p></div>

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314
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Verified Reviews for Dishwasher Installation pros in Puyallup, WA

*The Angi rating for Dishwasher Installation companies in Puyallup, WA 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 Puyallup, WA 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 December 06, 2023

Reviewed in December 2023
They were excellent. Showed up on time, were super communicative and knowledgeable, and got my dishwasher fixed in the same visit. Highly recommend!
PNW Appliance Repair
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Reviewed in October 2023
They called right away and he stopped in between calls and cleaned my dishwasher filter. Was very personable and willing to do the work and showed us how to clean it ourselves next time in a month or two. I was very happy with the results and was only without the dishwasher for one day!
Appliance Repair Specialists Inc.
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Reviewed in July 2023
The installer was prompt , personable and skill full.
Precision Trim, Inc.
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Reviewed in November 2022
Great company . Installers did a great job.
Renewal by Andersen of Washington
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Reviewed in October 2022
Was able to schedule my furnace replacement within a week. Installer did a great job, including cleaning up after.
Northwest Expert Heating, LLC
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Reviewed in June 2022
installed new vanity moved drain pipe and installed new faucet did a outstanding job
Atlas Home Services
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Reviewed in June 2022
Paul really knows plumbing. It was a quite complex repair / install. They rose to the challenge and did such a great job. Repaired the kitchen sink faucet, installed reverse osmosis unit and fixed the line to the refrigerator ice maker which hasn't worked for over a decade. Nothing leaks....
Rooter-Man
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Reviewed in January 2022
I just wanted to write a review for Awesome services even though i did not hire him. Patrick came over to do the work to install my new dishwasher. However, he observed that my hot water line was leaking under my sink and due to the age of the plimbing, decided it was best to bring in a plumber...
Awesome Services
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Reviewed in December 2021
The Service tech (Ben) did an excellent job installing a new hot water tank.
Western Water Service
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Reviewed in July 2021
The installers were professional and personable.
Harts Services
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Top-Rated Dishwasher installation pros in Puyallup - Updated Nov 2026

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Dishwasher Installation FAQs, answered by experts

Your dishwasher drains through a hose that attaches to the plumbing below your sink or snakes out the back of your machine. In most cases, you can access one side of the hose from below your sink, as it usually ties into the same drainline that your sink uses. Otherwise, you may need to pull the dishwasher out of the counter to access it.

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.

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

Not all dishwashers are 60cm wide, but that tends to be the most common size. 60cm translates into roughly 24 inches, with most home dishwashers being between 22 and 24 inches wide. There aren’t metrics available but it’s been our experience that over 90% of household dishwashers in North America are around 24 inches wide by 24 inches tall.

Professional repair is advisable for electrical issues, refrigerant leaks, or unfamiliar problems. Technicians can accurately diagnose and fix such problems, ensuring safety and appliance longevity.

The Puyallup, WA 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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