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Is Your Dishwasher Draining Properly?

Alpha Plumbing Dishwasher InstallAdding a dishwasher to your kitchen is a significant upgrade with numerous benefits. It simplifies one of the most dreaded tasks in the kitchen, enhances efficiency, and reduces wastage by consuming less water compared to washing dishes by hand in the sink. However, when your dishwasher malfunctions, it can be pretty frustrating. If you’re experiencing drainage problems with your dishwasher, several potential reasons exist that could be why your dishwasher is not draining.

A Damaged Filter Within Your Dishwasher

Checking the filter basket is the first step when encountering a clogged dishwasher. The filter basket is a barrier against unwanted items that shouldn’t go down the drain. Over time, the basket can collect buildup, which leads to clogging. To avoid this, most dishwashers allow the basket to be removed for thorough cleaning. Make sure you clean the basket properly to prevent the need for frequent cleanings.

Clogged Drain Hose

The drain hose plays a crucial role in the functioning of a dishwasher, but it can become problematic if it is not maintained correctly. If the drain hose becomes clogged, it can lead to the entire dishwasher getting clogged. If you have already cleaned the filter basket and the dishwasher still won’t drain, your next step should be to inspect the hose. Ensure the hose is tightly sealed, and you can use an unbent wire hanger to push through it. If there is a clog, the wire hanger should be able to push it out, ensuring the smooth functioning of the dishwasher.

A Broken Drain Valve

To ensure the proper functioning of your dishwasher, it is crucial to check the drain valve periodically. If you notice that the dishwasher is not draining completely, it could be due to a broken drain valve. It is recommended to seek the assistance of a professional to repair or replace the damaged valve, as it requires technical expertise to handle the repair work safely and effectively.

A Clogged Air Gap

The air gap is a vital component of a dishwasher that connects it to the sink and acts as a barrier to prevent contaminated water from entering the dishwasher. If the air gap gets clogged, it can impede the draining process and cause the dishwasher to malfunction. Therefore, it is essential to keep the air gap clean and blockage-free to ensure the dishwasher’s efficient performance.

Sewer Line Issues

If the previously mentioned solutions fail to resolve the problem, the issue may lie in the sewer line. Generally, if the sewer line is obstructed, it will result in multiple fixtures or appliances backing up. If you suspect a main sewer line problem, it’s highly recommended to seek the services of a professional plumber to diagnose and fix the issue.


Alpha Plumbing is a full-service plumbing and contracting company serving the Baltimore and Annapolis metro area with expertise in all aspects of plumbing. We’re family-owned and operated since 1991 from our office in Pasadena. We offer quality plumbing services at reasonable rates in a timely fashion. Our trucks are equipped with GPS systems to ensure we’re prompt and on time. No job is too large or too small! We maintain a fleet of well-stocked trucks and own and operate our backhoes for excavating jobs.

For more information and to get a free no-obligation estimate, you can contact us on our website, send us an e-mail, or give us a call at (410) 255-5998.

This entry was posted on Friday, November 3rd, 2023 at 2:17 pm. Both comments and pings are currently closed.

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Alpha Plumbing

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Alpha Plumbing

8813 Fort Smallwood Rd
Pasadena, MD 21122


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Master Plumber/Gas Fitter #12450