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 most common cause for a dishwasher not to drain?

• <div><p>If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out <a href="https://www.angi.com/articles/how-to-unclog-dishwasher.htm">how to unclog a dishwasher,</a> but you may need to call in a plumber if you can’t locate and clear the clog yourself.</p></div>

Get matched with top dishwasher installation pros in Hawthorne, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your dishwasher installation project in Hawthorne, CA?

Select your specific project to find the pro for you.

TRUSTED BY HAWTHORNE, CA HOMEOWNERS

4.3
Average homeowner rating
111
Verified dishwasher installation services reviews

Verified Reviews for Dishwasher Installation pros in Hawthorne, CA

*The Angi rating for Dishwasher Installation companies in Hawthorne, 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 Hawthorne, 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 March 14, 2025

Reviewed in March 2025
Anthony did an outstanding job. He came to the residence to examine the work area and give an estimate. He cut a larger hole in an existing kitchen granite counter to accommodate a drop-in sink, and in the process he removed the under-mounted stone sink by cutting through several layers of...
AP Stone Countertops
Request a quote
Reviewed in November 2024
I had noticed a water leak coming out from underneath my dishwasher leaking on my hardwood floors. I called a local plumber . He discovered a hose in the back of the dishwasher had been leaking for some time and the water damage was excessive. At this point, I called a local company: DRY SERV...
DRY SERV RESTORATION INC
Request a quote
Reviewed in May 2023
Clear All Rooter was very responsive and communicative. I really appreciate the personal service. Christian provided excellent service. He installed our kitchen faucet efficiently, advised us on why our previous kitchen faucet deteriorated, and provided additional time to check out potential...
Clear All Rooter Plumbing
Request a quote
Reviewed in August 2022
Quality material and workmanship. During installation the installer paid strict attention to every detail of this project.
LeafFilter Gutter Protection
Request a quote
Reviewed in July 2022
Not only a water heater was installed. Jurguen's Plumbing Inc has cleared back ups, replaced corroded and leaking pipes. We are a 17 unit condominium built in 1964 and over the years we have had many plumbing problems and are still having plumbing problems. For the pass 5 or 6 years...
Jurguen's Plumbing Inc.
Request a quote
Reviewed in April 2022
The job done was pristine. I had months old dry spots from February that I hadnâ t been able to get out and they made my windows look brand new as if they were installed yesterday. I highly recommend getting an appointment with D&S if you want professional cleaned windows and support local...
D&S Window Cleaning Services
Request a quote
Reviewed in January 2022
Tyler was an expert in installing the water filtration system.
Pier Water Solutions LLC
Request a quote
Reviewed in December 2021
Najib was great. He removed the old microwave and trim, and installed the new microwave and trim with no problem. He completed the job quickly and it came out great. Would definitely hire him again.
NOGA Handyman Services
Request a quote
Reviewed in June 2021
Very thorough and helpful with installation preparation and operation instructions. Attentive to details and a super nice guy.
Alex Garage Door Services
Request a quote
Reviewed in May 2021
Loai is an expert installer. Had a difficult job and he performed high quality work. Would definitely hire again.
Take One Systems
Request a quote

Find Dishwasher installation pros in Hawthorne

No results for Dishwasher installation pro in

Try adjusting your search criteria.

Dishwasher Installation questions, answered by experts

Leaks, poor drainage, failure to start, water not heating, and excessive noise frequently require service.

Local plumbing codes and manufacturer recommendations typically dictate the minimum distance between a sink and a dishwasher. This is generally 18 to 24 inches, providing enough room for easy loading and unloading of dishes without hindering the sink's function. Maintaining this separation not only adds convenience but also reduces the chances of water damage and optimizes plumbing connections.

The only way to repair a dishwasher door hinge is to replace the broken or damaged hinge. To do this, you'll want to remove the old hinge, install a new one that fits your specific dishwasher model, and reattach the panel.

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.

If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out how to unclog a dishwasher, but you may need to call in a plumber if you can’t locate and clear the clog yourself.

The Hawthorne, 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

Angi
•
Apr 6, 2026Apr 6, 2026
How Much Does Dishwasher Installation Cost? [2026 Data]
Discover the average dishwasher installation cost, key price factors, and tips to save on your project. Get transparent, expert-backed estimates.
Heather Ayer
•
Jul 8, 2026Jul 8, 2026
How Much Does a Dishwasher Cost?
Whether you’re replacing an old dishwasher or buying your first, find out more about dishwasher costs, including new dishwasher installation.
Amy Freeman
•
Jul 10, 2026Jul 10, 2026
How to Install or Replace a Dishwasher
You don’t always need a pro for appliance installations. Use this guide to learn how to install a dishwasher on your own.
Kate Fann
•
Jul 9, 2026Jul 9, 2026
Who Do You Hire to Install a Dishwasher?
Before upgrading to a new dishwasher, you need to know who to hire to install the dishwasher, as your choice can impact its efficiency and safety.
Kate Fann
•
Jul 9, 2026Jul 9, 2026
5 Types of Dishwashers and How to Choose One For Your Home
Overwhelmed with dishwasher options? Learn about the different types of dishwashers to increase efficiency and space in your kitchen.
Kyle Schurman
•
Jul 9, 2026Jul 9, 2026
Parts of a Dishwasher: Learn What They Are and How They Work
Understanding the different parts of a dishwasher can help you troubleshoot any issues and know when to call in the professionals.