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How to Get Water Out of Air Compressor


It’s frustrating to have water in your air compressor, but don’t worry! You can remove the water yourself and get back to work.  The following article will tell you how to do that.

When it comes to removing water from an air compressor, there are a number of steps that you should take before turning on the machine again. First off, if the tank is more than half-full of water then drain as much as possible 100 percent duty cycle air compressor into a bucket or other container with a spout for easy pouring out later. 

Then turn off all power sources and wait at least 30 minutes before attempting any repairs or starting up again.

Why does my air compressor have water in it?

Water in an air compressor is usually caused by condensation. If the humidity level gets too high, it can cause moisture to form on metal surfaces and create a breeding ground for mould. 

Condensation may also occur if there’s liquid or excess water within the system that cannot evaporate due to restricted airflow which then turns into droplets of water.

Air compressors are often used in humid environments, such as garages or workshops. The ambient temperature and humidity in these spaces can fluctuate throughout the day which may cause condensation to form on metal surfaces at certain times of the year.

What is this machine supposed to do?

This machine compresses air into a tank where it’s stored until needed for use. Air compressors come with built-in water separators that filter out liquid particles from the compressed air before transferring them back into storage tanks.

 however, they still require some regular maintenance because if not properly maintained, moisture will collect inside your compressor over time causing rust and other corrosion problems early down the line. 

Water also creates an environment ripe for mould growth so make sure to clean and dry the area before using it again.

If you have a regular compressor, unscrew the drain valve at the bottom to remove water from inside your machine. 

If your air is too wet for this method, pour some distilled white vinegar in a bucket of water and then let it sit overnight on top of your compressor: as soon as bubbles form around where you put the liquid, take them out with a hose or vacuum cleaner and repeat until all moisture is gone.

Failing both these options, there are compressors made specifically to extract excess moisture so make sure to call customer service if this applies to you!

What should I do about condensation?

Although not common-place because of their enclosed design, air compressors are also susceptible to moisture, like when the humid air inside them cools. If your machine becomes damp because of this, it’s important to dry out for

How do I know if my compressor is wet?

If you can feel condensation on the exterior or notice a small puddle under where it sits, then chances are high that there could be water in its chambers. Pressing on the button should light up clear signs as well: if all lights turn green and sound normal with no sign of leaking fluid, you’re safe! However, if any part flashes red or stays lit red after pressing “on” then immediately contact customer service so they can help get things sorted before damage occurs.

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How often should you drain water from the air compressor?

If your machine has a drain valve, you should be draining water at least once every two weeks. If it’s not equipped with one, then the manual will provide alternate methods of removing moisture so make sure to read them before proceeding.

It is critical that this process is done on time because excess water and/or oil can cause damage to the components within the compressor: reducing its lifespan considerably! With more wear and tear comes less power output for an extended period of time meaning that when you really need air supply in your home or workplace most you won’t have much leftover to work with. 

It would take some serious troubleshooting skills from both professionals and experts alike if they were able to fix such extensive damages after the fact.

This is why it’s vital to make sure that you’re drying your air compressor regularly. By removing excess water and oil, the parts inside will be able to do their job properly and for a longer period of time!

If your machine has an automatic shut-off switch (i.e., when the moisture reaches pre-set levels), then this should be turned on before proceeding with any cleaning process so as not to cause more damage than necessary or stop working altogether. If there isn’t one available, then turn off power at the panel first before unplugging it from its home base by hand in order to ensure safety around electrical wires and other components which may still have current running through them even after being disconnected from the machine.


An air compressor is a machine that’s often used for many different jobs. With this post, you’ve learned how to remove excess water from the inside of it so that all parts work properly and last longer! It’s important to keep your device clean in order to get optimal usage out of it. 

Hopefully, these tips will help you better maintain your own air compressor!

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