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 long will it take to install my dishwasher?

• <div><p>Installing a dishwasher should take one to four hours, depending on the complexity of the installation and whether you DIY or hire a pro. Even if you're particularly handy, installing a dishwasher on your own will likely take longer — at least two hours. On the other hand, a professional can likely install a dishwasher in about an hour. Installation time will take longer if you have to remove an existing dishwasher, reroute plumbing, or repair damaged flooring underneath the appliance.</p></div>

Can you clean a moldy dishwasher with bleach?

• <div><p>Your first instinct might be to grab the bleach to clean a moldy dishwasher, but it’s not the best product for the job. You don’t want to use bleach to <a href="https://www.angi.com/articles/how-clean-stainless-steel.htm">clean stainless steel</a> components if your dishwasher has them, as it can cause significant damage. In addition, the scent of bleach can linger if not rinsed well, causing your dishes to retain a smell (and even taste) of bleach.</p></div>

Best dishwasher installation pros near Brier, WA

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Verified Reviews for Dishwasher Installation pros in Brier, WA

*The Angi rating for Dishwasher Installation companies in Brier, 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 Brier, 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 July 14, 2026

Reviewed in July 2026
David did a great job installing our fridge and dishwasher. He came on time, worked efficiently, and both appliances have been running smoothly. We're very thankful that he could come so quickly and for his excellent work.
Hitchman Painting
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Reviewed in May 2026
The technician visited yesterday and was efficient, knowledgeable, and polite.technician assessed no water under the dishwasher, trustworthy; possible issue caused by a long-handled spoon obstructing the swing arms
CARTER BROTHERS REFRIGERATOR REPAIR
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Reviewed in June 2025
Dishwasher leaked and ruined hardwood floors in kitchen and cabinets. APL Construction repaired and replaced damaged drywall and reinstalled cabinets. We decided to install tile instead of hardwood floors. APL expertly installed a complicated flower pattern tile that needed to be sequenced in...
APL CONSTRUCTION
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Reviewed in June 2024
Tony from All You Need Remodeling was reliable and thorough in his work and at a reasonable cost. When the dishwasher needed repair, Tony did the needed repair and parts replacement ands my dishwasher was soon back in working order. I highly recommend his services.
All You Need Remodeling LLC
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Reviewed in December 2023
Their work was excellent - very conscientious and caring, and explained the problem thoroughly. Checked the seals in the dishwasher also to make sure they were good, repaired the drain line that was leaking. I'm completely satisfied with their work and would definitely hire them again!
Bold & Short Repair
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Reviewed in June 2023
They did 2 projects for me: In 2022 they replaced my bathtub, and while doing that job discovered the floor under the toilet was rotten. They replaced the floor under the toilet, as well. While this added to the cost of the project, it was very reasonable. This year they installed a new...
Holmstad's Plumbing, Inc.
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Reviewed in May 2023
The installation is fast and clean
Greenvolt Electrical Vehicle Charging Installation
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Reviewed in September 2022
JC Appliance Services did a wonderful job. They contacted me promptly after I placed my job on Angi, came out that morning, and had my dishwasher fixed by 11:00am. Jeremy was professional and also informative about how I could avoid the problem I was having with my dishwasher in the future. I...
JC Appliance Services
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Reviewed in September 2022
Elias was quick to respond. Elias was able to install our dishwasher quickly. He was very efficient with the install. Overall Elias did an outstanding job. I'll definitely reach out for the next small appliance install.
Elias Appliance Installation
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Reviewed in March 2022
Awesome work, forgot to turn on the water to the dishwasher though.
Danika Plumbing, LLC
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Top-Rated Dishwasher installation pros in Brier - Updated Nov 2026

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Dishwasher Installation FAQs, 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.

Many people think this question relates directly to their electricity bill. Running your dishwasher at night both keeps your bill lower and is better for the environment. Energy rates tend to be much lower during off-peak hours. These hours are usually from 9 at night until around 6 in the morning. Your local utility provider will be able to tell you which hours are considered peak and off-peak. In conclusion, running your dishwasher during these off-peak hours is both better for your wallet and requires less energy from the grid, which is better for the environment.

Installing a dishwasher should take one to four hours, depending on the complexity of the installation and whether you DIY or hire a pro. Even if you're particularly handy, installing a dishwasher on your own will likely take longer — at least two hours. On the other hand, a professional can likely install a dishwasher in about an hour. Installation time will take longer if you have to remove an existing dishwasher, reroute plumbing, or repair damaged flooring underneath the appliance.

Your first instinct might be to grab the bleach to clean a moldy dishwasher, but it’s not the best product for the job. You don’t want to use bleach to clean stainless steel components if your dishwasher has them, as it can cause significant damage. In addition, the scent of bleach can linger if not rinsed well, causing your dishes to retain a smell (and even taste) of bleach.

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

The Brier, 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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