Swamp Cooler Spraying Water – What to Do?

During the summer season, most areas experience the hot climate that they need swamp coolers to provide cool air for good comfort in the house. The swamp cooler can work for some time, then start misbehaving that it sprays water when cooling.  When having such an issue, the user must solve the problem before causing more system damage. There are always reasons that can make the swamp cooler experience such matters that they need a solution.

Before starting the process to solve the problems, you need to identify the causes of such issues. The reasons can be issues with the pump that some can start leaking, the water passing through the pump’s pipes, and other areas. Some problems can be due to the faults within the swamp cooler. Therefore, you need to know the parts for an easy troubleshooting process that saves your time to solve the problems. After learning the issues, you can then go on and take the necessary steps to fix the problems.

The article below shows the reasons that can cause the swamp cooler to spray water when cooling the house. The reasons are the possible ways that you can follow when troubleshooting the swamp cooler, then the frequently asked questions, and lastly, the conclusion, which summarizes the results of the whole guide.

Reasons why the swamp cooler sprays waterswamp cooler spraying water

The swamp cooler is a device that helps in cooling the room when the temperatures are scorching. Sometimes the cooling process comes with water that the cooler sprays, which is a mistake. When you have such an issue, there must be problems with your cooler that you must check to solve the problem. Some of the causes include the following:

1.  Leaking tubes in the water pump

  When the distributing tubs in the water pump have damages such as leaks, they have holes that allow water to get through them unnecessarily.  The leaks can spray water into the fan instead of the cooler pad. The problems can cause more damage to the swamp cooler that you need to replace the parts or repair to prevent the cooler from spraying water in the house.

2. Wrong direction of the distributor tubesWrong direction of the distributor tubes

If the distributor tubes are not dripping water directly to the water channel, their direction in the cooler is wrong and you need to change the positions. The wrong approach can make the cooler drip water to the fan that when the fan blows cool air, it sprays water to the house. Therefore, you must switch off the cooler, check the distributor tubes’ position, and make sure they are in the right direction. After changing the work, ensure you test it that the water must flow carefully.

3.  Faulty evaporator padsFaulty evaporator pads

If the evaporator pads have faults, for example, they have crooks or wrong sizes that do not fit the cooler. The defects cause the water from its sources to flow into the fan instead of going to the pad for absorption that later causes the fan to spray water in the house. Consider turning off the power supply cables from the cooler and inspect the evaporator pad with such issues. If it has any problems like gaps or significant cases, replace them or fix them well if they are wrong to ensure everything is okay.

4. Hanging cooler pad fibersHanging cooler pad fibers

Cooler pads work because of the presence of a smooth sponge that soaks the water. Therefore when hot air flows through the places, the pads take the water and evaporate the absorbed water. So if the pads have fibers that are hanging, moisture can collect on them instead of absorbing. After that, they can drip or flow into the fan that later the fan sprays them in the house. The solution with this case is to switch off the power cables by unplugging all the wires and removing the pads to check the parts in the cooler. You can use a sharp item like a toothpick and tuck in the external fibers that are hanging.

5. Old cooler padsOld cooler pads

The cooler pads, when they become old, tend to wear out. When water is flowing through the old cooler pads, they can flow through it and rest in the fan without the pads absorbing them that can cause such problems. The water that flows makes the fan spray them in the house, causing a misty environment. Therefore, you should be checking the pads for any problems they can be having. The signs of an old cooler pad are the availability of holes in the pads, stains, and some pieces of the pads falling out from the pad. If you see some dreams, consider replacing the cooler pads and carefully fixing a new one.

6. Minerals in water and other water issues

 Water passing through the water pump can either be hard water or soft water. Hard water in the tubes through the cooler can cause buildups that block water flow through the pipes. Failure to pass through the lines causes the water to drip into the fan, spraying the fan when cooling the home. With such problems in the cooler, consider cleaning the cooler using vinegar to remove the buildup of dirt in the tubes. If the tubes have entire blocks inside, consider replacing the pipes and fixing new lines.

Sometimes, dirty particles from water accumulate on the pads since the pads trap the dust and other debris easily. The tainted particles make the pad fail in absorbing the water, but instead, the water drips down the place to the fan that when you swamp cooler, the fan first sprays water in the whole room. When you have such issues with the pads, consider replacing them or cleaning them to remove the particles.

How to fix swamp cooler spraying waterHow to fix swamp cooler spraying water

When having a swamp cooler spraying water, you have to find the possible ways of fixing the problems. Below are the steps that you can follow to troubleshoot the swamp cooler:

  1. Gather all the requirements you need for the troubleshooting process, including the new parts you will use for replacement.
  2. Switch off the swamp cooler to avoid electrical damage by unplugging the main switch’s power cables and protecting yourself using the antistatic wrist band.
  3. Check all the water channels, including the distributor tubes and other water pipes distributing water. If the lines have holes or any other damages, or maybe they are loose, consider fixing the loose parts and replacing the factors that have injuries.
  4. Check the position of the pipes and the tubes in the cooler that sometimes they misplace their part, causing problems. If they are in the wrong place, consider putting them in the right direction.
  5. Check the evaporator pads that absorb water flowing into the swamp cooler. Some of the issues with the pads are that most of them are in the wrong size, that they do not fit the cooler, and sometimes the pads are old, causing such problems. Therefore if the pads have a problem, consider replacing the pads when they are old and when the size is wrong, use the correct size for the cooler.
  6. Inspect other issues with the pads and correct the problems. In some cooler pads, there is an accumulation of dust that prevents the pads from absorbing water, leaving water to spray the house when cooling. Therefore you need to ensure the pads are clean and free from any other damages.
  7. Clean the whole system to remove the deposits of dirt and other particles that flow with water and rest on the cooler’s surfaces, preventing the flow of water in the right direction.
  8. After checking for all the parts with the swamp cooler and correcting everything, consider switching on the cooler and test if it was working correctly.
  9.  If the cooler is not working well, check the system sufficiently to fix all the problems. If the system fails to work the way you want, you can consult a technician to help improve the situation.

Frequently asked questions:

  • Is it possible to let the swamp cooler run for a whole day?

Yeah, a swamp cooler can run the whole day, depending on the user of the cooler. However, a swamp cooler can work with small room space and relies on the air’s temperature and humidity level. So when you run the cooler the whole day, it cannot work well, but it can still run.  


Swamp cooler spraying water results from several factors that are not with the parts of the cooler. However, when you experience such a problem with your cooler, first check the details within the system since they are the leading cause of the errors. The article above discusses the grounds of the problem with the cooler and the steps of fixing the issues.

Finally, follow the steps carefully to help fix the problems. You can also read the manufacturer’s instructions to identify how to fix some issues. It is good to consult a technician if the process fails to work for you.

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