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>

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>

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Verified Reviews for Dishwasher Installation pros in Wrightwood, CA

*The Angi rating for Dishwasher Installation companies in Wrightwood, 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 Wrightwood, 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 December 16, 2025

Reviewed in December 2025
Very easy people to work with. I got exactly what I wanted and the work was beautifully done. Very reasonable price too! The crew was very efficient and did a great job. I had a new countertop for my kitchen and tile for the wall space between the cupboards and counter. I picked out the quartz...
Infinite Empire Stone, Inc.
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Reviewed in June 2025
The water had been shut off to the dishwasher. He turned it back on. Problem solved
AC Appliance
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Reviewed in May 2025
Chris came and replaced my old water heater. He is professional, kind and knows exactly what he’s doing. Took the old water heater out, had a brand new one installed, super clean and super fast. Best experience I’ve had with a contractor.
Pisces Plumbing
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Reviewed in January 2025
Installed tankless heater and pipped out the hot water. Did a great job!
EC Plumbing
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Reviewed in October 2024
Thank you ace for repairing and installing my swamp cooler
ACE HOME HEATING & AIR CONDITIONING LLC
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Reviewed in September 2024
Sales person James and installer Gary were great. Both were very professional, efficient, experienced and friendly people. The entire experience from the initial consultation to the installation was fantastic. After just using our system for a few days, I noticed a huge difference in our water...
Nuvia Water Technologies, Inc.
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Reviewed in October 2023
Contacted us promptly - Exceptional service, professional, cost for project appropriate. Short notice install. Highly recommended and will certainly hire in the future.
AG GLASS
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Reviewed in October 2022
My initial installation had to be cancelled suddenly due to a home emergency. The staff were kind and understanding and worked with me to reschedule at a different time. Andrew & Kyle my installers were professional, on time and skilled at installing my shower. They also left the area clean...
Dreamstyle Remodeling of New Mexico
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Reviewed in September 2021
Came right on time. Installers were friendly and professional.
Aace's Heating Air Conditioning & Swamp Coolers
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Reviewed in August 2021
Great service and installation. The blinds were great looking.
Express Blinds, Inc.
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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.

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.

It’s not worth fixing a 20-year-old dishwasher or any 20-year-old appliance. Twenty years is beyond the useful life span of nearly every major household appliance. Once the appliance nears the end of its useful life span, repairs will become more frequent. A replacement often becomes more cost-effective at that point.

DIY installation or repair is possible with the right skills and tools, but if not done correctly, it can often lead to water leaks or improper connections.

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 Wrightwood, CA 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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