• Pressure washer nozzles are color-coded to indicate the narrowness and forcefulness of their spray pattern: White is 40 degrees, green is 25 degrees, yellow is 15 degrees, and red is 0 degrees.

Refer to the pressure washer's manual to determine the appropriate nozzle size and type, and select the correct size for your cleaning task. Nozzles are usually color-coded based on their spray ...

If your pressure washer came with a red 0-degree nozzle, toss this nozzle out. The next size, a 15-degree nozzle, will do just fine for detail work, such as removing moss from the grooves between ...