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The Greenworks 15" Pressure Washer Surface Cleaner Attachment is designed to work effectively with pressure washers that provide a wide range of PSI. While the maximum is 3100 PSI, the minimum PSI requirement is generally around 2000 PSI.
Sorry, there was a problem. Please try again later.Hi Milkbone. Thank you for your question. A lower PSI pressure washer will not be affected by a larger PSI hose. Using a 3100 PSI High Pressure Hose will be fine in a 2100 PSI Pressure Washer. We hope this information helped!
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