The colors on the nozzles of high-pressure washers usually represent different spray patterns and pressure levels. Here are the common color codes and their corresponding functions:
Nozzle colors and their functions
| Color | Spray angle | Purpose |
|---|---|---|
| Black | 65 degrees | For spraying detergent, low pressure, suitable for pre-treating dirt. |
| Red | 0 degrees | Direct spray type, produces a concentrated, high-pressure water flow, suitable for removing stubborn dirt. |
| Yellow | 15 degrees | Narrower spray angle, suitable for cleaning difficult stains such as oil stains. |
| Green | 25 degrees | Medium pressure, suitable for general cleaning tasks such as car bodies and floors. |
| White | 40 degrees | Flat spray, used for light cleaning, suitable for cleaning sensitive surfaces. |
Usage suggestions
Choose the right nozzle: Choose the right nozzle according to the degree of dirt and material of the cleaning object. For example, for car surfaces, you can use a green or white nozzle to avoid damaging the coating.
Keep your distance: When using a pressure washer, keep the nozzle at an appropriate distance from the surface being cleaned to prevent damage caused by excessive pressure.
By understanding what the nozzle color means, you can use your pressure washer more effectively and achieve the best cleaning results.