Preparing Your Pressure Washer for Winter

How to Winterize A Pressure Washer

By  | Pressure Washer Product Expert

After a long summer of projects, there are several precautionary measures necessary to safeguard your power washer for the winter.

These steps are quick, easy and need to be taken every time your machine is in storage for more than 30 days.

If ignored, you could end up with a broken pump, damaged components or a variety of other problems. To winterize your pressure washer, follow these simple steps one-by-one:

  1. Stabilize the Gasoline
    Fuel StabilizerIt's important to add stabilizer to the fuel tank to make sure the gas doesn't gum up and clog the fuel lines during storage.

    Add the stabilizer according to the manufacturer's directions. Run the engine for 2 minutes to circulate the stabilizer throughout the fuel system, then shut it down.

  2. Flush Out Remaining Water
    All water and leftover detergent must be flushed from the system. Place the injection tube of your power washer into a bucket of clean water. Run on a low pressure setting for a minute or two, then turn off the engine and water supply.

    Squeeze the trigger of the spray gun to relieve any trapped pressure and set the lock. Disconnect and dry all attachments, putting them away in their proper place.

    There may still be leftover water in the pump. This can be taken care of by pulling the recoil handle a few times.

  3. Add Pump Saver
    Pump SaverLastly, you'll need to add pump saver. Pump saver prohibits moisture from forming in the pump, preventing it from freezing. It also allows for easy starting post-storage and prevents mineral deposits from developing.

    Apply the pump saver through the garden hose inlet on your pump to fill the chamber. Allow it to stay there all winter and drain it in the spring.


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