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>

What is the standard size of a dishwasher?

• <div><p>A standard <a href="https://www.angi.com/articles/dishwasher-sizes.htm">dishwasher size</a> is 24-by-24-by-35-inch for a built-in unit. The depth and height line up perfectly with most kitchen countertops and cabinet sizes. </p></div>

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Verified Reviews for Dishwasher Installation pros in Plainfield, NJ

*The Angi rating for Dishwasher Installation companies in Plainfield, NJ 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 Plainfield, NJ 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 January 20, 2026

Reviewed in January 2026
Thanks to Marley got rid of the noise from my Bosch dishwasher. He replaced heat pump. Very nice guy! The scheduling was quick. The part is a little pricey but happy dishwasher is working!
Quality Tech Repair
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Reviewed in April 2025
i replaced my dishwasher and kitchen back slash. Work Pro construction was great. Very professional and did the job right.
Work Pro Construction LLC
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Reviewed in September 2023
Great install job.....workers showed up on time and cleaned up when done.
Power Home Remodeling
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Reviewed in June 2023
Kevin installed our hot water heater. He made sure everything was perfect. He left everything spotless. He was very professional and took pride jn his job.
One Call Electrical Service, Inc.
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Reviewed in January 2023
Mark installed a shower door for us it is absolutely amazing what a great job thanks Mark love Luxury Bath great workers.
Luxury Bath NJPA, LLC
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Reviewed in September 2022
Roger and Tom did a great job with new water heater installation. I had them replace two 40 gallon heaters with pan and drain pipes. The work was done clean and fast. There was one day delay in the scheduled date due to Carmine’s health issues. Hope he is doing well. We also had a back and forth...
Garden State Water Heaters
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Reviewed in January 2022
Came on time. Cleaned up after doing the installation, took the time to explain the system operations to me.
Valairco
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Reviewed in February 2021
Super easy and quick to install.
At Home Carpet & Flooring
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Reviewed in January 2021
Keon Brown is an extremely experienced professional. He came early. He fixed my dishwasher in no time. He is diligent and careful. He made sure that I understood the real issue. I thought it was the latch that was broken, but the problem was entirely something else. His prince was so reasonable....
Brown's Handyman Service
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Reviewed in November 2020
They explained the process And best location to install . Care steps and other details were well explained . They did a clean job of install
Pure Water Systems of NJ
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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.

The correct water temperature for your dishwasher depends on the washing phase. When water enters the machine, it should be around 120 degrees Fahrenheit, but no hotter than 150 degrees. During the wash cycle, the machine will heat the water to between 130 and 140 degrees. If your dishwasher has a sanitizing cycle, the water can reach a temperature of up to 180 degrees.

Most dishwashers are designed with a standardized width of around 24 inches and can fit into most kitchen spaces intended for dishwashers. However, the height and depth might vary slightly, requiring careful measurements to ensure a proper fit. Certain specialized or compact dishwasher models might deviate from the standard size to accommodate specific needs or non-standard spaces. While many dishwashers adhere to a typical size, measuring the available space accurately is crucial to guarantee a seamless installation.

A standard dishwasher size is 24-by-24-by-35-inch for a built-in unit. The depth and height line up perfectly with most kitchen countertops and cabinet sizes.

Costs depend on labor rates, replacement part prices, brand, and whether emergency service is required.

The Plainfield, NJ 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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