How To Drain Gas From A Pressure Washer

There are different reasons why you might need to drain your fuel or gas from your pressure washer. The most common reason to drain out the gasoline is to store them for a long time, for which you need to completely free the pressure washer from all the liquid of every kind. 

If you store the pressure washer for winter without removing the gas from it, it might get contaminated and create a mess not only in the fuel tank but also in the carburetor. Other reasons to drain the gas from pressure might include the maintenance of a pressure washer from which you might need to flip it, which can spill the gas on the floor. 

This article will discuss how you can easily drain gas from a pressure washer without breaking it. So let’s drain out some gas.

How To Drain Gas From A Pressure Washer? 

Luckily, there are more than one ways to drain the gas out of pressure without cutting the fuel tank into two pieces. You can drain the gas by using the fuel pipe, carburetor, siphon hose, etc. these are some of the ways that you can try.

Drain Out The Gas

The easiest way to not need equipment is to run the pressure washer until all the fuel is consumed. Pressure washers have a fuel capacity of 50 minutes, and you can completely drain the gas from them in 5 minutes after use. Suppose there is any fuel left in it. In that case, it is not the most efficient technique because not only is the gas burned in this method, but it also affects the pressure washer performance and is also harmful to the environment to burn the fuel without any purpose.

If there is little gas left in the tank that is not worth the effort, then you can choose this method.

From The Carburetor

Many pressure washers have a regular carburetor with a gas drainage screw at the bottom. You might have to read the instructions of your pressure washer to locate the drainage screw of your carburetor. This method will not only drain the fuel out of the fuel tank, but you can also empty the gas that has accumulated in the carburetor. 

Remember that some carburetor draining systems only drain all of the gas in the carburetor and not from the gas tank. So you must ensure that your carburetor can drain both of them.


Using A Siphon Hose

By using the siphon hose, you can easily take out the gas from your gas tank, and it is the most efficient way as it gives you the chance to avoid any spills. Of course, you will need a siphon kit for that. When you see your kit, you will notice a brass nozzle at one end, and this part goes inside the fuel tank. Make sure that you send the brass nozzle to the bottom otherwise, you will not be able to lift the whole gas from the tank. Now that you have inserted it, you should secure it on the tank’s opening and ensure it does not move during the process. Duct tape or tie-wrap is common, but some kits come with man clamps to hold them in place.

Now it is time to insert the pich clip to control fuel movement in the hose. Insert it from the other end and ensure it is in the proper place. Now connect the bulb valve and connect it in the right direction. Ensure that the arrow is pointing away from the hose as it determines the flow direction. 

Now that everything is set start pumping the bulb valve, creating suction that will cause the gas to move from the tank. Keep pumping until the gas reaches the pitch clip, and then you can remove the bulb valve, and the fuel will start to release that you can secure in the container. Ensure that the receiving container is lower than the fuel tank of your pressure washer. 

Drain By Disconnecting The Fuel Line

You can also drain the gas from the pressure washer from the fuel line that provides the fuel to the carburetor from the fuel tank. You can drain the fuel out by disconnecting the fuel line. First, you will need a clamper, plier, and container to store the fuel. 

It is important to note that all the gas-powered pressure washers are not the same, so you might have to struggle a little with your pressure to find the fuel line based on your model. 

There is also a chance that your pressure washer carburetor is covered, and you will need a screwdriver to open the case. After finding your fuel line, it is time to drain some fuel. 

Clamp the pipe with the clamp to avoid any fuel spill; this will only work if you have a flexible rubber pipe. Some fuel pipes also have safety valves that you can turn off. Now disconnect the fuel line with the plier and insert the open end of the pipe in the storage tank. Release the clamp so the fuel can flow, and your fuel will be drained.


Removing The Carburetor Bowl

Some pressure washers that do not have screws in their carburetor usually have a Carburetor Bowl that you can use. You can easily remove the carburetor bowl, and the fuel can drain easily. But it is not certain that this method also drains the fuel from the gas tank.


You can use these methods to drain the gas out of the pressure washer. Make sure to follow all the guidelines. Do not drain the fuel when the pressure washer is recently used because the engine will be hot, and there is a chance of internal injury. Also, make sure you use the pressure washer for some time until it runs out of fuel after draining the gas when you are planning to store it for winter. Good luck!

Jose Kelly