Nozzle Selection Guide
Use the following chart, based on your GPM and PSI to determine your optimum nozzle orifice size.
example: Pressure Washer is 3000psi 4.0gpm
- Find 3000psi column.
- Run finger down column until you get the closest match for gpm (3.9gpm)
- Optimum nozzle size is 4.5