How do I choose the right nozzle for my pressure washer?

When using a pressure washer, selecting the right nozzle is crucial. The wrong choice could lead to a less effective clean, or worse, potential damage to the surface you’re cleaning. But how do you know which nozzle to choose? In this blog, we’re going to help you understand the basics of pressure washer nozzles and how to select the right one for your needs.

Pressure Washer Nozzle Basics

Pressure washer nozzles are designed to control the direction, pressure, and flow of the water. They come in various sizes and types, each with a specific purpose and suitable for different cleaning tasks. Nozzles are usually color-coded according to their spray pattern, which ranges from 0 to 65 degrees:

  • Red (0 degrees): Provides the highest pressure in a small, concentrated area. Ideal for tough cleaning jobs like removing tar, rust, or stubborn stains. Not recommended for delicate surfaces as it may cause damage.

  • Yellow (15 degrees): Offers a slightly wider spray that is still very powerful. It’s great for heavy-duty cleaning such as stripping paint or cleaning concrete.

  • Green (25 degrees): A versatile nozzle with medium pressure. Perfect for general cleaning tasks like washing cars, decks, and siding.

  • White (40 degrees): Provides a wide spray with lower pressure. Ideal for light-duty cleaning tasks, such as washing windows or rinsing surfaces.

  • Black (65 degrees): Offers the widest spray pattern with the lowest pressure. Commonly used for applying detergent or for delicate surfaces.

How to Choose the Right Nozzle

Choosing the right nozzle for your pressure washer depends on two key factors: the nature of the job and the surface you’re cleaning. For tough stains on hard surfaces like concrete, a 0-degree (red) or 15-degree (yellow) nozzle may be the best choice. For general cleaning or softer surfaces, you might choose a 25-degree (green) or 40-degree (white) nozzle. The black nozzle is generally used for applying detergents or when you need a soft wash.

Other Considerations

While the above guidelines can help you choose the right nozzle, always remember to test in an inconspicuous area first to ensure that the pressure is not too high for the surface. Also, when changing nozzles, ensure the pressure washer is off to avoid accidental spraying.


Knowing how to choose the right nozzle for your pressure washer is essential for effective and safe cleaning. With the right nozzle, you can tackle a wide range of cleaning tasks, from tough grime removal to gentle rinsing. Happy pressure washing!