Understanding PSI and GPM
- PSI (pounds per square inch) measures cleaning force. Higher PSI strips paint or grime faster. Light-duty home use often needs 1300–1900 PSI; heavy-duty can go over 3000 PSI.
- GPM (gallons per minute) measures water volume. Higher GPM rinses more quickly. Together, PSI and GPM determine how effectively a washer cleans.
Duty Levels and Power Sources
Northern Tool categorizes washers as industrial, heavy-duty, medium-duty, and consumer models. Electric models (e.g., NorthStar Electric Cold Water, 3000 PSI, 2.5 GPM) are common for residential tasks. Gas models, often with Honda or Powerhorse engines, deliver higher pressure for business or heavy projects.
Brands Available
Key in-house and third-party brands include:
- NorthStar, Powerhorse, Ironton, Stihl, CAT Pumps, Comet Pumps, Coxreels.
How to Choose a Pressure Washer
Follow these steps to select a pressure washer from Northern Tool:
- List your cleaning tasks – Light washing (cars, windows, patio furniture) vs. heavy stripping (paint, concrete, boat hulls).
- Pick a PSI range – 1300–1900 PSI for light duty; 2000–2800 for medium; 3000+ for heavy-duty.
- Choose a power source – Electric for home use near outlets; gas for portability and higher output (check Honda-powered options).
- Check GPM – 1.2–2.0 GPM for small jobs, 2.5+ GPM for faster cleaning.
- Before buying, read the buyer’s guide to avoid overspending on power you don’t need.
- After purchase, follow maintenance steps: inspect hoses, check oil, clean air filters, and store properly to extend life.
- See a real-world example: a TikTok video by Rae Ripple shows an unboxing and outdoor chores using a Northern Tool pressure washer.
Use Northern Tool’s Pressure Washer Buyer’s Guide online to refine your choice.
