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>

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>

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>

Do dishwashers need routine maintenance?

• <div><p>Dishwashers should be cleaned a minimum of once every 3 months, but really it should be done monthly. This is to prevent germ buildup and will help keep your machine running smoothly. Dishwasher maintenance isn’t too difficult, you’ll simply clean the filter, wipe down the spray arms with vinegar or rubbing alcohol, and run the cycle on empty. If there is any debris, you can remove it with a small metal pick. Do not use wood as the tip can break off inside the machine. </p></div>

What are some signs your dishwasher filter is dirty?

• <div><p>Some common signs you have a dirty dishwasher filter are:</p><ul><li><p>Food sticking to your dishes even after a thorough wash cycle</p></li><li><p>Odor coming from your dishwasher</p></li><li><p>Stains left on dishes and utensils</p></li><li><p>Water pooling in your dishwasher</p></li><li><p>Food stuck to parts of the dishwasher, like the racks, walls, or sprayer arm</p></li></ul><p></p></div>

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Verified Reviews for Dishwasher Installation pros in Wellston, MO

*The Angi rating for Dishwasher Installation companies in Wellston, MO 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 Wellston, MO 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 September 25, 2025

Reviewed in September 2025
We were connected through our Home Warranty coverage. He came on time in service window, was completely professional, focused on the job and got it done. Dishwasher is now working! Very grateful.
Speed Service
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Reviewed in July 2025
Installation was fast and smooth. And seller was very respectable on time and clean.
Mad City Windows & Baths
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Reviewed in March 2025
The team did a great job installing
Chesterfield Fence & Deck Co., Inc.
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Reviewed in February 2025
I hired Midtown Home Improvements, Inc. to replace 20 windows with triple pane windows, a front door, and a sliding patio door. The job was completed in April of 2023. I had the absolute best installers. They were a team of 3, who were extremely knowledgeable, punctual, and tidy. They...
Midtown Home Improvements, Inc. (St. Louis)
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Reviewed in October 2024
I was contacted immediately and he was able to show up the same day. He installed a new garbage disposal but only after trying to save the old one. He also picked up a couple of bathroom jobs for the sink and toilet. Very personal and courteous. I would 100% recommend Andre at A1.
A1 Installs
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Reviewed in December 2023
worked quickly, explained possible reasons for bugs in my dishwasher, explained what he was doing to eliminate them. Very quickly the few bugs I continued to see were clearly poisoned as they no longer could move away from me as I snatched them with paper towels and got rid of them. It took...
Healthy Home Pest Control & Services
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Reviewed in October 2022
I was given an honest opinion that my dishwasher may be beyond repair. They tried a couple of different things with my consent but parts needed for 20 year old dishwasher were no longer available.
All American Appliance Service Inc
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Reviewed in July 2022
Our plumber was very conscientious, arrived well before the scheduled time and had to work very hard to remove the old dishwasher as several previous changes in the kitchen had affected the setting of the unit. The removal accounted for the greatest portion of the time & cost. The subsequent...
Bieg Plumbing & Mechanical
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Reviewed in March 2022
Excellent work - professional installer s attention to detail and cleaned up
HALLMARK STONE CO
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Reviewed in September 2021
Cynthia the owner was friendly and very helpful. The installers were knowledgeable and cleaned up after completion.
C&R Communications
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Dishwasher Installation questions, answered by experts

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.

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.

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.

Dishwashers should be cleaned a minimum of once every 3 months, but really it should be done monthly. This is to prevent germ buildup and will help keep your machine running smoothly. Dishwasher maintenance isn’t too difficult, you’ll simply clean the filter, wipe down the spray arms with vinegar or rubbing alcohol, and run the cycle on empty. If there is any debris, you can remove it with a small metal pick. Do not use wood as the tip can break off inside the machine.

Some common signs you have a dirty dishwasher filter are:

Food sticking to your dishes even after a thorough wash cycle
Odor coming from your dishwasher
Stains left on dishes and utensils
Water pooling in your dishwasher
Food stuck to parts of the dishwasher, like the racks, walls, or sprayer arm

The Wellston, MO homeowners’ guide to dishwasher installation services

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