How to Unclog Paint Sprayer – Complete Guide




How to Unclog Paint Sprayer


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It’s frustrating when you’re painting and your paint starts to clog up in the sprayer. This post will show you how to unclog paint sprayer in 3 easy steps. 

What Is Clog In Paint Sprayer?

A clog in your paint sprayer can ruin your painting project and cause you a lot of frustration. But what exactly is a clog? A clog is simply any blockage in the paint sprayer that prevents the paint from flowing through properly. It can be caused by anything from dried paint to debris in the air.

Fortunately, there are a few things you can do to prevent or remove a clog in your paint sprayer. First, always make sure to clean your sprayer after each use. This will help to prevent any dried paint from building up and causing a blockage.

Second, if you do notice a clog starting to form, stop using the sprayer immediately and clean it out according to the manufacturer’s instructions.

How To Unclog Paint Sprayer?

If you’re trying to unclog a paint sprayer, there are a few things you can do. First, make sure that the paint is properly mixed. If it’s too thick, it can clog the sprayer.

Second, clean the filters and screens. These can get clogged with paint over time and cause the sprayer to stop working properly. Finally, if all else fails, you can try running hot water through the sprayer to loosen any clogs.

  1. Disconnect the trigger from the gun using pliers or unscrewing it until it is loose.
  2. Mix 1 tbsp of dish soap with 1 quart of water in a bucket, dip your brush into the mixture, then shake off any excess liquid onto an old rag.
  3. Dip your brush back into a dish soap solution, swish around on top of grime buildup at bottom of the nozzle and let dry for about 15 minutes before attaching to the gun again. You should see unclog paint sprayer results instantly.

The paint clogs up in the nozzle because of dried paint build-up on the filter, which is located inside the gun. The filter needs to be scraped out with a toothpick or extra-fine paintbrush every now and then (or once per year) so you won’t have to unclog the nozzle as often.

Read Also: How to clean airless paint sprayer

Second Method To Unclog Paint Sprayers

If unclogging doesn’t work, you can try unblocking with a needle and some WD-40. This method is best for unclogging stubborn paint clogs and should be used if unclogging the paint sprayer was unsuccessful.

  1. Unscrew the tip of your gun until you can access the nozzle filter.
  2. Remove the filter with your fingers or use a toothpick to unclog it if necessary
  3. Spray 1-2 squirts of WD-40 into the nozzle while holding the trigger
  4. Reconnect tip and you should be good to go! You unclogged the paint sprayer!

Read Also: How to thin oil paint to avoid a clog

Unclogging Paint Sprayer Problems – 3 Tips

Cleaning the filter is also important because if paint accumulates on it, it will get pushed through regardless of the clogging issue. This leads to unclogging paint sprayer problems where the gun sprays more before plugging up again. If you want to avoid unclogging your paint sprayer, this 3 step guide should help keep them unclogged for unclogging paint sprayer.

  1. Keep the filter clean
  2. Keep the paint moving
  3. As an extension of number 2, keep spraying.

Allowing paint to dry in your gun not only leads to clogging issues but will also lead to much larger unclogging paint sprayer problems. If you leave to unclog the paint sprayer gun sitting for more than a couple of minutes, unclog paint sprayer problems will start to form.


How do you unclog a paint sprayer pump?

There are a few ways to unclog a paint sprayer pump. You can use a plunger to try and dislodge the clog, or you can use a wire brush to clear away any buildup. If the clog is really stubborn, you may need to disassemble the pump and clean it out with a solvent.

Are unclogging paint sprayer pumps dangerous?

While unclogging paint sprayer pumps can be messy, it’s not dangerous. Just be sure to follow the manufacturer’s instructions and use the proper tools.

What are the tools needed to unclog a paint sprayer pump?

There are a few different tools that you can use to unclog a paint sprayer pump. One is a plunger, which you can use to try and push the clog out of the pump. Another is a wire brush, which you can use to try and scrape the clog out of the pump. Finally, you can also use vinegar and water solution to try and dissolve the clog.

Is it difficult to unclog paint sprayer pumps?

No, it’s not difficult to unclog paint sprayer pumps. There are a few simple steps you can follow to clean your paint sprayer pump and keep it working properly.

Why is my paint sprayer clogging?

There are a few reasons why your paint sprayer might be clogged. The most common reason is that the paint is too thick. You can thin the paint out by adding a little water to it. Another possibility is that the nozzle is blocked. Try cleaning the nozzle with a needle or a toothpick. Finally, make sure that you’re using the right type of paint for your sprayer. If you’re still having trouble, you can always contact the manufacturer for help.


Unclogging your paint sprayer is a simple process that anyone can do. All you need is a little patience and the right tools. With these tips, you’ll be able to unclog your paint sprayer in no time.

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