How to Winterize a Pressure Washer
If you live in an area with freezing temperatures, winterizing your pressure washer is essential. Water left inside the pump or hoses can freeze, expand, and cause expensive damage.
Step 1: Turn Off the Machine
Switch off the engine or unplug the electric model.
Disconnect the water supply.
Step 2: Drain All Water
Remove:
- Garden hose
- High-pressure hose
- Spray gun
Squeeze the trigger to release any trapped water.
Step 3: Empty the Pump
Run the machine for a few seconds (without water connected) if recommended by the manufacturer to remove remaining water.
Step 4: Add Pump Protector
Use a pump protector or pump saver solution to lubricate internal components and prevent freezing.
Step 5: Clean the Machine
Remove dirt and debris from:
- Spray gun
- Nozzles
- Water inlet filter
- Exterior housing
Step 6: Store Properly
Store the pressure washer:
- Indoors
- In a dry location
- Away from freezing temperatures
- With hoses neatly coiled
Winter Storage Tips
- Never leave fuel in gas models for long periods.
- Use a fuel stabilizer if storing for several months.
- Cover the machine to protect it from dust.
Conclusion
Winterizing your pressure washer only takes a few minutes but can prevent expensive repairs caused by freezing water. Proper storage ensures your machine is ready to perform when warmer weather returns.
