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Symptoms Of A Bad Dishwasher Water Inlet Valve (2022)

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If you are noticing some issues in the water inlet valve of the dishwasher and wondering, “what are the symptoms of a bad dishwasher water inlet valve?” If yes, then there is no need to take tension anymore as we have come up with the right answer to your question.

So, if there is an issue with it, it will definitely affect the performance of the dishwasher. Try to figure it out and go for the appropriate solution timely.

Therefore, to know about the symptoms of the bad inlet valve, let’s delve straight into the article.

Read More: Pros and Cons of Dishwashers [Best Guide & Discussion]

Symptoms Of A Bad Dishwasher Water Inlet Valve

If you want to keep the dishwasher in great condition, you must keep an eye on it and detect every little change in it. So, without any delay, here we will describe the symptoms of the bad dishwasher water inlet valve.

Bad dishwasher issues are often associated with the water inlet valve. Which instead is often neglected. However, symptoms of a bad dishwasher water inlet valve are reduced efficiency; blockage or underfilling; temperature incompatible; overflowing, or leakage. These are discussed in the following heads:

Bad Performance

If the dishwasher valve is in bad condition, one of the most common symptoms you may notice is a loss in performance. Therefore, if your dishes have come out unclean even after cycle completion, it is clear that there is an issue in your dishwasher.

But keep in mind that sometimes this issue arises due to the trapping of the food particles. So, it is better to fill your dishwasher again and repeat the cycle. In this way, you will get to know the actual reason for reducing dishwasher performance.


Another issue that you can face in case of a bad dishwasher inlet valve is underfilling; if you observe that it becomes difficult for the machine in filling the water, there must be some trouble in the water inlet valve. Moreover, in some cases, if this process is slowed down, then it’s also an obvious sign of the bad dishwasher water inlet valve.

At times, the dishwasher fails to fill or the capacity is reduced to fill the water. This clearly indicates a blockage of the water inlet valve. Underfilling is a clear sign of blockage. To resolve the issues of underfilling, when it goes to extreme conditions, the entire replacement of the valve may be considered.

However, it is usually recommended just to check the entire machine and unclog the water wherever the blockage is indicated. This symptom is quite common in most dishwashers which is less about the quality of dishwashers and more about the patterns of usage.

Stop Working Completely

Dishwashers have different models, and all of them are designed in different ways. There are some dishwasher models in which the whole dishwasher stops working due to the issues in the dishwasher inlet valve; so, if your dishwasher is not working, replacing the water inlet valve can prove the solution.


Dishwasher water inlet valve leaking is another obvious symptom. Further, the most striking issue with the dishwasher and a symptom of a bad dishwasher inlet valve is that of the leakage which is directly related to the overflowing. The dishwasher through a Mechanism is connected to the tap through which the water flows and allows the machine to clean the dishes by the supply of water.

If this connecting valve sees a leakage, then it overflows it in between the cycle of dishwashing. Further, it can be indicated when no cycle follows and still the tap water flows in. This causes an interruption in maintaining the water flow of the dishwasher. Thus the leakage must be immediately sorted out and repaired to maintain the proper flow of the water in the dishwasher.

The crux of the symptoms of bad dishwasher interlink to the water inlet valve. These are core to the performance of a dishwasher and it requires proper maintenance which starts from the time-to-time appropriate cleaning of the machine and following the precautions as prescribed.

Any blockage, leakage, or discontinuity of process are symptoms associated with the bad dishwasher water inlet valve. Resolve is simple: cure is better than a curse, be it humans or machines.

If you have turned the machine switch off, and still, the water is flowing, it shows the possibility of an issue with your dishwasher. Furthermore, you may face an overflow when your dishwasher is working.

Read More: How To Hook Up a Portable Dishwasher To a Pull Out Faucet?

Clogging Of Pipes

Sometimes, the inlet valve issues may arise due to the pipe. So, pay attention to it, and if it is clogged, just clean it in the first place.

Temperature Problems

The dishwasher inlet valve is also responsible for controlling the temperature of the water present in the dishwasher. So, if you notice that the running water gets either extremely hot or cold, it depicts the clogging of the water inlet valve hose.

Issue In Solenoid

Furthermore, the solenoids may also become the cause of the bad inlet water valve sometimes. So, if it is unable to deliver any resistance, then you must have to go for replacing the valve.

Reduced Efficiency

Foremost in the line of symptoms is the reduced efficiency of a dishwasher. As a dishwasher performance is not up to the mark, it is the first indication of the probability of a water inlet valve. This issue often arises after the completion of every cycle a dishwasher completes as it requires proper dirt removal. Thus, it calls for immediate treatment before the dishwasher is dead.

Temperature Incompatible

In incoherence with the above-discussed issue of underfilling, another problem that follows it is that of the temperature incompatibility. The temperature of a dishwasher is controlled by the water inlet valve. As the underfilling problem occurs, it indicates the possibility of clogging the valve. If this issue arises then the same steps of underfilling are highly recommended to resolve it. Maintaining the temperature of any machine is very important if the inconsistencies of temperature in the dishwasher are kept unresolved it may cause the failure of the dishwasher.

Is It Possible To Repair The Water Inlet Valve?

You must be thinking about that should you go for repairing your water inlet valve or it is better to seek help from a professional. So, always keep in mind that it’s not an easy job at all. It’s not a smart idea to fix your water inlet valve unless you are a professional. Here are some things that make it almost impossible to solve this issue at your home.

● Have the right set of tools

● You have to cater with electrical parts

Hence, if you are confident that you can use the tools accurately and deal with electrical wires, you can go for it; otherwise, it is better to seek help from a professional. It will surely save your time and energy.

Every time you run your dishwasher, rinse the dishes and leave it to do its job, you’re exposing yourself to a potentially dangerous risk. The dishwasher water inlet valve, or valve for short, is the outlet of your machine’s water supply. It’s like a handle that you can turn to dispense water into the dishwasher. If the valve is damaged, this exposes you to water that might not be clean or safe.

Check your dishwasher’s water inlet valve from time to time. If you see any of the following, your valve is probably damaged.

If you notice that the water has a strong or disagreeable odor, you might have an algae problem. Check your water supply.

Water pressure is low in the home. Check your water supply.

The Bad Things That Can Happen When a Water Inlet Valve Is Damaged

If the water inlet valve is damaged, a number of problems can occur. The water’s smell, taste, and appearance could be affected. You might also see algae growth if the water is not clean or safe to drink. You might also have a low water pressure or water leaks.

Signs That Your Water Inlet Valve Is Damaged

If you suspect that your water inlet valve is damaged, pay attention to the following signs.

  • Your dishwasher makes strange noises, like grinding noises or squeaking sounds.
  • The water coming out of your faucet is bad or smells like rotten eggs.
  • Your tap water tastes or smells bad.
  • The water level in your dishwasher drops too quickly.

Final Tip: Opt For A Better Dishwasher Brand (If You Can)

If you’re considering switching brands or maybe even upgrading your dishwasher, there may be a few things you should know about how valves work.

For example, make sure that the model you’re shopping for has a water inlet valve. If it’s important to you to use a certain brand, make sure that the valve is working properly.

Also, make sure that the dishwasher is installed in a spot that has good water pressure. And, if your valve appears damaged, don’t try to fix it yourself. Instead, call a professional as soon as possible.

Read More: 10 Best Countertop Dishwashers on a Budget in 2022 (Reviewed)

Procedure For Repairing Dishwasher Water Inlet Valve

If you have all the tools and have impeccable skills, then here is the procedure you can follow to solve the issue.

Step 1

Firstly remove any power supply connected to the dishwasher. Moreover, make sure that all the water supplies have been detached as well.

Step 2

With the help of pliers, you can disconnect all the wires from your dishwasher water inlet valve.

Step 3

After that, you have to connect the ohmmeter to the terminals of the valve. In case the meter shows infinity, it depicts the failure of the solenoid.

Step 4

If the reading is correct, you have to look for any food sediment. If there is any, then you have to clean it. Keep in mind that you have done this without scattering the valve.

It is worth mentioning that if the above-mentioned steps depict that all is well, you will have to do more inspections, and if you can’t, you will have to consult the service providers.

Final Thoughts

Well, that’s all about the symptoms of the bad dishwasher water inlet valve. We are optimistic that this article will surely prove helpful for you in identifying the symptoms of a bad dishwasher water inlet valve.

It is highly significant to nip the evil in the bud to save your dishwasher from becoming useless by fixing these issues as soon as possible. If you have any queries feel free to ask in the comments section.


What Is A Water Inlet Valve?

Water inlet valves are one-way valves that are located at the point of entry of water into appliances, like dishwashers.  When you turn on the water in your house’s main supply, the valve opens and water flows into the valve to begin its journey to your appliance. The valve could have a small opening that’s just big enough to let water through, or it could have a larger opening that can let water flow in either direction.

The valve could also be located somewhere else in your home, like in a backup supply pipe, but it’s usually located in the inlet to your appliances.

How Does A Water Inlet Valve Work?

The way a water inlet valve works is by creating two opposing forces: one that pushes water from one side to the other and another that pulls water from one side to the other. With these two opposing forces, your valve can open or close to let water flow into your appliance.

The water that’s being pushed and pulled is affected by the pressure of the water supply. If there is too little pressure, the valve cannot open as much as it should and is more likely to get clogged. If there’s too much pressure, the valve is unable to keep any water inside and will not work at all.

How To Fix A Damaged Water Inlet Valve?

If your water inlet valve is damaged, the first thing to check is the water pressure in your home’s water supply. The water should have enough pressure to supply water to the valve. The next thing to check is the valve itself. Find the valve and turn off the water.

Next, unscrew the valve with your pliers. If you notice that there is any rust inside the valve, now would be the time to remove it. A damaged water inlet valve is likely clogged and needs cleaning. To clean it, you might have to remove the valve and unscrew it. Then, you can use a piece of wire to clean the valve.

After cleaning the valve, screw it back onto the valve outlet.

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