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Dishwasher Not Draining? Here Are Some Reasons Why

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    Having a dishwasher at home can really be quite convenient as it can speed up the chores that you need to get done for the day.

    However, when your dishwasher starts having problematic issues such as not being able to drain the water and the like, then it can be quite troublesome as well.

    After all, who wants to have their dishes piling up one after another after every meal, right?

    Fortunately for you, we are here to help you understand why a thing is happening to your dishwashers and what you can do to fix them.

    Are you ready?

    If so, then if your dishwater is not draining, here are some reasons why.

    1. Filthy dishwasher filter and trap

    If your dishwasher is the type that has a filter installed in it, then this is probably one of the things you should consider when troubleshooting your dishwashers.

    If your filter and/or trap is too clogged up and is covering up your drain entirely, then your dishwashers will not be able to drain properly at all.

    After all, when these food particles are being accumulated and compressed together, they can be quite tough to deal with.

    And with your dishwashers not draining the water, you will not be able to wash your plates at all.

    If this is the case for you, then the first thing you should try out to resolve the problem is to clean your filters and trap.

    Remove any filtered food particles found on these two and make sure that nothing else is blocking your drain’s entry area.

    Wash the filter thoroughly and make sure to return it before using your dishwasher again.

    2. Incompatible dishwashing agent being used

    Depending on the type and model of your dishwasher, the detergent that you are able to use with is can be somewhat limited.

    For some, liquid detergent should be used and for others, powdered detergents are more preferred.

    Now, if you’ve used the incorrect type of detergent when washing your plates on time, then this could be what’s causing your draining problem.

    When using the improper detergent for your dishwashers, although it might still be able to clean your dishes just fine, it tends to form suds that are extremely difficult to drain properly.

    In order to address the problem, stick with the proper type of detergent that your model recommends, or otherwise, try adjusting the ratio of the detergent being used so as to create fewer suds.

    3. Presence of clogs in your drain hose

    Even with filters and traps present, it is still possible that some other factors may cause your drain hose to clog out.

    Some of these factors include oil, grease, fats, and etc, and these are only some of which that you should take note of.

    When your drain hose is clogged, this can significantly affect the draining time of your dishwashers or even stop it from draining completely.

    All you need to do to resolve this problem is to have the drain hose connected to your garbage disposal replaced, and the clogging problem should be able to go away.

    Or you can also try cleaning the clogs within your drain hose to save you some money from having to buy a new one.

    4. Defective drain hose

    If your drain hose seems fine but still, for some reason, can’t drain the water inside your dishwashers properly, then maybe there is something wrong with the drain hose itself.

    After all, having damaged your drain hose over time is not an uncommon thing to happen.

    Often times, if the problem seems to be only clogging and the like, there are some simple remedies that can help you out with the problem.

    However, sometimes there are things that can no longer be remedied no matter what.

    Get some replacement parts for your dishwasher in order to get it running properly again and it should go back to functioning well as it normally does.

    5. Worn-out plumbing

    If your plumbing system seems to be too old, chances are the slow draining could probably due to your worn-out system.

    When it comes to draining and clogging issues, they are normally easily attended to and remedied using some simple fixes.

    However, natural wearing and tearing of your plumbing system is not something you can prevent altogether.

    If your plumbing has started to wear out, then it can affect the efficiency in which it can normally provide.

    These changes include slow draining, multiple leakage issues, and many more.

    Basically, they just start breaking apart.

    If you feel like this is the case for you, then maybe it is time to have your old pipes replaced with newer ones.

    Consult a professional with regards to the scope of the job and do not, under any circumstances, attempt to do the replacement yourself.

    Although it is possible to do so, plumbing requires skill and if you do not have the technical knowledge for the job, you can potentially cause things to get out of hand.


    There are a lot of possible causes as to why your dishwasher is not draining properly, even more so than the ones mentioned above.

    So many that this article might not be enough to thoroughly dig deeper into each and every problem.

    With these five above-mentioned reasons above, you should be able to deal with draining issues better.

    You will have more insight and will know what exactly is needed to be done.

    If you are looking for a plumbing company that can provide you with all kinds of services for your plumbing related problems, then Cleveland Plumbing Guy is the one you are looking for.

    When it comes to reliability and quality, you can never go wrong with choosing our company.

    Get to know more about our company and the different services that we provide by giving us a call or visiting us at our main office in Cleveland.

    Or better yet, set up an appointment with us and consult with us regarding your plumbing problems.

    Allow us to help you out with your troubles and issues.

    Choose Cleveland Plumbing Guy now!

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