MTM 40 Degree 4.0 Orifice Stainless Steel Nozzle
The best way to get the most out of your pressure washer is to leave the unloader valve completely open and control the pressure output using a different sized nozzle. The Kranzle K1122TST is rated at 2.1 Gallons Per Minute(GPM) Output. This 4.0 sized nozzle at 2.1 GPM gives us 1100PSI output.
This nozzle emits a 40 degree spray pattern. This pattern is good for washing.
Use the Nozzle Calculator to help you choose the correct orifice size