Store your pressure washer indoors in frost-free conditions. Always empty water from the pump, hoses, and detergent bottles before storage. Use a pump protector or antifreeze for winterizing. If leaks appear, check the hose adapter, wand O-rings, and garden hose connection; escalate bottom leaks to support.
Preconditions
Tools/Materials: Garden hose, pump protector or antifreeze, clean cloth
Time needed: 15 minutes
Safety first: Unplug the unit before maintenance.
Warnings: Do not store outdoors below 32°F (0°C). Freeze damage is not covered under warranty.
Step-by-Step
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Prepare for storage — Store indoors, dry, and frost-free.
Empty all water from pump, hose, and detergent bottles.
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Winterize the unit — If storage location may drop below 32°F (0°C):
Disconnect hoses.
Run unit for a few seconds to clear water, then shut off.
Run pump protector or non-toxic antifreeze through pump.
Expected result: No water left inside the pump.
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Clean the filters — Remove and rinse pre-filter and inlet filter.
Expected result: No debris clogging the pump.
Clean spray nozzle — Use the clean-out tool to clear dirt. Back-flush with garden hose.
Tips: Avoid kinks in the high-pressure hose during storage.
Notes: Flush antifreeze out with clean water before next use.
Troubleshooting Paths
If leak is from bottom of unit → Contact support.
If leak is from garden hose connection → Replace garden hose connector (e.g., Sun Joe SPX-AGHA adapter).
If leak is from wand or trigger gun → Replace O-rings. Contact support.
If leak is from hose adapter → Replace hose adapter. Contact support.
FAQs
Q: Can I leave my pressure washer outside in winter?
A: No. Freezing temperatures can crack the pump housing. Always store indoors above 32°F (0°C).Q: What product protects my pump during storage?
A: Use a Sun Joe-approved pump protector or non-toxic, non-corrosive antifreeze.