Pressure washer calculator
Job code → CU class or NO_MATCH.
Resources
WashPSI resources
Calculator, methodology guide, class comparison, and worked examples for pressure washer Cleaning Units sizing.
Sizing guide
Why PSI × GPM beats shopping by PSI alone.
Class comparison
3520 / 8840 / 17600 CU washer ladder.
Worked examples
Vehicles, driveway, heavy paint, NO_MATCH.
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