How Do I Properly Drain My Pressure Washer For Storage?




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If you’re someone who enjoys the satisfying job of pressure washing, then you probably understand the importance of proper maintenance and storage of your equipment. As the season changes and it’s time to put your pressure washer away, you may find yourself wondering, “How do I properly drain my pressure washer for storage?” Well, look no further. In this article, we will provide you with expert advice and techniques on how to ensure that your pressure washer is drained correctly, so it will be ready and in optimal condition for your next cleaning journey. From product reviews to gift guides and everything in between, is your go-to resource for all things pressure washing.

Pressure Washer Storage

Properly storing your pressure washer is essential to maintain its functionality and prolong its lifespan. One important aspect of pressure washer storage is properly draining the machine. By following the right steps and using the necessary materials, you can ensure that your pressure washer is ready for storage and will be in optimal condition when you need it again. In this article, we will discuss the importance of properly draining the pressure washer, provide step-by-step instructions on how to do it, and outline the materials you will need for the process.

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Importance of Properly Draining the Pressure Washer

Prevention of Freezing and Damage

One of the primary reasons why it is crucial to properly drain your pressure washer is to prevent freezing and potential damage to the machine. Water left in the pressure washer’s pump, hoses, and other components can freeze during cold temperatures, leading to cracks and leaks. When water freezes, it expands and exerts pressure on the internal parts of the pressure washer, causing irreversible damage. By draining the water thoroughly, you eliminate the risk of freezing and protect your pressure washer from costly repairs.

Avoiding the Build-up of Sediment and Residue

Another reason why proper draining is important is to avoid the build-up of sediment and residue within the pressure washer. Over time, minerals and debris from the water used in pressure washing can accumulate inside the pump and hoses, causing blockages and reduced performance. By draining the water completely, you remove any lingering sediment and residue, ensuring that your pressure washer remains efficient and effective.

Prolonging the Lifespan of the Pressure Washer

Properly draining your pressure washer also helps in prolonging its lifespan. By removing water from the system, you prevent corrosion and rust from forming on the internal components. Water can cause damage to the pump, seals, and valves, leading to deteriorated performance and decreased longevity. By taking the time to drain your pressure washer thoroughly, you can extend its lifespan and enjoy its benefits for a longer period.

Steps to Properly Drain a Pressure Washer

Now that you understand why it is important to drain your pressure washer, let’s go through the step-by-step process of how to do it correctly.

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Step 1: Disconnect the Power

Before you start draining the pressure washer, it is essential to disconnect the power source. Turn off the pressure washer and unplug it from the electrical outlet. Also, allow the engine to cool down for a while before proceeding. Safety should always be a priority, so remember to wear protective gloves to avoid any injuries during the process.

Step 2: Release Pressure and Remove Spray Wand

To release any remaining pressure in the system, engage the safety lock on the trigger gun. This will prevent any accidental spraying while you are removing the spray wand. Once the safety lock is engaged, squeeze the trigger to release any built-up pressure. Then, carefully remove the spray wand from the pressure washer and store it separately to avoid any damage.

Step 3: Drain Water from the System

To drain the water from the pressure washer, you will need a garden hose and a bucket or drain pan. Connect one end of the garden hose to the pressure washer’s water inlet. Place the other end into a bucket or drain pan to collect the water. Open the pressure washer’s drain valve or remove the hose connection, depending on the specific model. Allow the water to flow freely and completely drain from the system. This step ensures that there is no water left in the pump, hoses, or other components.

Step 4: Drain Fuel from the Pressure Washer

In addition to draining the water, it is important to remove the fuel from the pressure washer if it is a gas-powered model. Locate the fuel cap on the pressure washer and use pliers to remove the fuel line from the fuel tank. Drain the remaining fuel into a suitable container, following proper safety precautions. Once the fuel has been drained, wipe down the fuel cap and fuel tank opening with a clean cloth to remove any residue or drips.

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Materials Needed for Draining

To properly drain your pressure washer, you will need a few essential materials. Make sure you have these items on hand before starting the process:

Garden Hose

You will need a garden hose with a shut-off valve. This type of hose allows you to control the flow of water easily. Ensure that the hose is long enough to reach a proper drainage area, such as a bucket or drain pan. Before using the hose, check for any leaks or damage to ensure that it functions properly during the draining process.

Bucket or Drain Pan

A bucket or drain pan is necessary to collect the water that is being drained from the pressure washer. Make sure the bucket or pan is big enough to hold the amount of water that will be expelled from the machine. This will prevent any water spillage and keep your work area clean and dry.


Pliers will be needed to remove the fuel line from the fuel tank if your pressure washer is gas-powered. Choose pliers that are suitable for the size and type of fuel line you have. Using pliers will make the task easier and more efficient.

Clean Cloth

A clean cloth, preferably lint-free, is essential for wiping down the fuel cap and fuel tank opening. This will help remove any fuel residue or drips, keeping the pressure washer clean and ready for storage. Ensure that the cloth is clean and free from debris to avoid transferring any dirt or particles onto the pressure washer.

By following these steps and using the necessary materials, you can properly drain your pressure washer and ensure its optimal condition during storage. Taking the time to perform this important maintenance task will prevent freezing, avoid sediment build-up, and prolong the lifespan of your pressure washer. With proper storage and maintenance, your pressure washer will be ready to tackle your cleaning tasks when you need it again. Happy pressure washing!

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