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Pressure Washer Nozzle Size
Pressure (psi):
Flow Rate (US gpm):
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Helpful Tips
Tolerance:
Rounds down if the calculated size is within 0.10 of the next lower standard size.
Nozzle sizes are standardized in 0.5 increments (e.g., 2.0, 2.5, 3.0).
Too small a nozzle = too much pressure = risk of damage.
Too large a nozzle = lower pressure, but safer for your equipment.
Match the nozzle angle to your task:
0° (Red)
: Max pressure, for tough stains on concrete.
15° (Yellow)
: Heavy-duty cleaning.
25° (Green)
: General-purpose cleaning.
40° (White)
: Gentle cleaning (cars, windows).
65° (Black)
: Soap application, low pressure.
