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>

Is a small dishwasher leak a big deal?

• <div><p>Yes, even a small dishwasher leak is a big deal. While it might seem minor, continuous unnoticed drips can lead to significant water damage to your kitchen floor, subfloor, and cabinetry. This damp environment is also a perfect breeding ground for mold, which can cause health issues and expensive <a href="https://www.angi.com/articles/4-signs-you-need-mold-remediation.htm">mold remediation</a>. Remember that water and electricity don't mix—having even a small leak poses a potential electrical hazard. Addressing any leak as soon as possible protects your home and avoids costly future repairs.</p></div>

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Verified Reviews for Dishwasher Installation pros in Norwalk, CA

*The Angi rating for Dishwasher Installation companies in Norwalk, CA 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, CA 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 04, 2026

Reviewed in July 2026
He was great! Came same day and had my dishwasher up and running in no time. Cleaned the parts before putting back together. I would definitely use him again!
HomeFix Appliance Repair Inc
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Reviewed in May 2025
Christopher did a fantastic job on a plumbing and install for my dishwasher. He's a professional who you can trust. I have already recommended him to many people because he will honor your name.
Pisces Plumbing
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Reviewed in May 2025
I recently had a new water heater installed by QP plumber , and I?m very happy with the service. Oscar arrived on time, explained the installation process clearly, and handled everything efficiently from start to finish.
QP Plumbing
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Reviewed in July 2024
On time, quick response even though this was a routine job (our old water heater was not broken). Neat with everything cleaned up after installation.
Wish Granted
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Reviewed in August 2023
Job was done well. Very reasonable price for installation
Pachuco
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Reviewed in March 2023
I purchased the blinds from an online company and thought I could install them myself. I could not. I contacted the company where I bought the blinds and they only install them if you have one of their professionals measure. I didn't. When I contacted The Blind Man they said they can install...
The Blind Man Company Window Treatments, Inc.
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Reviewed in October 2021
Clean installation, quick and great that they worked with my schedule for the installation and the follow up. Clean, straightforward good business manners.
CPR Home Solutions, Inc.
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Reviewed in August 2021
Due to the Pandemic I had to reschedule a few months. The the salesman, Tim Hendrickson followed up and we scheduled the installation. The installers were on time and did an excellent job as well as cleaned up the debris when finished. I would recommend L I Metal Systems for Rain Gutter...
L I Metal Systems
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Reviewed in July 2021
Courteous company to deal with. Great installers.
Imperial Garage Door & Gates, Inc.
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Reviewed in December 2020
Excellent work. The specialists first came last week to review the breakdown and estimate it. We agreed to complete the work within the next week. Just as expected, the dispatcher called this morning and offered a convenient appointment window. The specialists arrived on time, appeared very...
Signature Appliance Services
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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.

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.

To extend the lifespan, clean filters regularly, run cleaning cycles with vinegar, avoid overloading, and check for leaks.

Yes, even a small dishwasher leak is a big deal. While it might seem minor, continuous unnoticed drips can lead to significant water damage to your kitchen floor, subfloor, and cabinetry. This damp environment is also a perfect breeding ground for mold, which can cause health issues and expensive mold remediation. Remember that water and electricity don't mix—having even a small leak poses a potential electrical hazard. Addressing any leak as soon as possible protects your home and avoids costly future repairs.

Depending on your available time and skillset, there are some aspects of dishwasher repair you can DIY. Remember that dishwashers use water and electricity, which can cause potentially hazardous situations. However, there are some things you can do to reduce your overall repair cost, such as:

Cleaning the spray arm
Unclogging the float
Replacing the door gasket
Cleaning the door filter
Adjusting the door latch

The Norwalk, CA 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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