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Pressure Washer – Ultimate FAQ Guide 2023

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Pressure Washer - Ultimate FAQ Guide 2023


​Pressure washer are a great tool to have for your home or business. Unfortunately, they can be quite confusing and intimidating if you’re new to the world of pressure washing. This FAQ will answer all common questions about this powerful cleaning device!

​Can i use pressure washer on car?

Yes, you can safely pressure wash your car or truck. The type of detergent used when pressure washing a car is usually designed for this purpose. You should test the soap in an inconspicuous area to check for paint damage before using it on any part of the vehicle.

Are pressure washer safe for cars?

Yes pressure washer are safe for use on cars. However, if you use a pressure washer that is powerful you need to be careful. Start with a low PSI and work your way up slowly if required. Treat your vehicle like you’re washing the exterior of your house. You should test an area before applying pressure and soap on it.

Are pressure washer dangerous?

No, if you use a pressure washer correctly they are not dangerous. Only if handled by someone who doesn’t know what they are doing and is careless can it be dangerous. When using a pressure washer be sure to use and wear the correct safety equipement.

Can I run pressure washer without water?

No, you cannot run a pressure washer without water. It needs to have some sort of solution, whether soap or plain water in order to properly function.

Can I connect pressure washer to kitchen tap?

Yes, you can connect your pressure washer to a kitchen sink tap but it would be easier to use a hose.

Are pressure washer hoses universal?

No, the size of a pressure washer hose is specific to the model. Make sure you use the correct one for your machine. The wrong hose can damage your equipment and put excess strain on your pump.

Are pressure washer attachments universal?

Most of the time pressure washer attachments are not universal. You need to make sure your pressure washer is compatible with them in order for them to work properly.

Can I use a pressure washer without detergent?

No, it’s not recommended to run a pressure washer without detergent. The machine will not function correctly when using plain water. It is important to use the right type of soap for your needs as well.

Can I use a pressure washer on windows?

Yes, you can clean windows with a pressure washer, but you need to be careful. We have a full guide on how to clean your windows with pressure washer.

Can I use a pressure washer in rain?

Yes, but you need to be careful. Never use a pressure washer in wet or rainy conditions if the water is touching the electrical part of your pressure washer or the pump. A good rule of thumb is to keep the cord far away from any standing water. Ideally you don’t want to use a pressure washer in the rain.

Can a pressure washer damage concrete?

Yes, pressure washer can and will damage concrete when used improperly. Make sure you use a low PSI or pressure for your concrete to avoid stripping the color or taking off the sealer. Be sure to check our full guide on how to clean concret with a pressure washer.

Can pressure washer overheat?

Yes, pressure washer can overheat if they are used for extended period of times. Check the users manual for your specific machine to see how long you can run it and what PSI to start at.

What is GPM?

GPM stands for Gallons Per Minute or how much water flow per minute the pressure washer will be using when running.

Are pressure washer tips universal?

No, most of the time the tips for your pressure washer are not universal. Check that they fit your machine prior to purchasing them. Be sure to check out our guide on pressure washer tips.

How do pressure washer connect to water?

Pressure washer connect to water using hoses. They are usually made of vinyl or rubber and can be found in various sizes and lengths depending on your pressure washer. Always use the correct size hose for your machine.

What is PSI?

PSI stands for Pounds per Square Inch, which means the amount of pressure a unit is exerting on one square inch. The higher the PSI, the higher amount of pressure and cleaning power you will have.

Can i use pressure washer on decking?

Yes, you can use a pressure washer on composite decking.

Got a question?

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