Pressure Washer Spray Tips & Nozzles
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How to Choose the Right Pressure Washer Nozzle
The wrong tip will cost you a pump. Too small and you'll spike pressure past your unloader's bypass, which is how O-rings blow and packing wears out fast. Too large and you lose pressure and waste GPM. Picking a pressure washer nozzle depends on orifice size, spray angle, and whether you need a specialty tip for chemicals or stubborn buildup.
Sizing by GPM (orifice size)
Pressure washer nozzles are sized by orifice, and the orifice number equals your pump's GPM at its rated PSI. A 4.0 tip is built for a 4 GPM pump, a 5.5 tip for a 5.5 GPM pump, and so on. Mismatch the size and you'll either starve the pump or overrun the unloader. If you don't know your machine's flow, use our Nozzle Size Calculator. Enter your PSI and GPM and it returns the correct orifice.
Spray angle (and what the colors mean)
Spray angle controls how concentrated the water hits the surface. Tighter angles cut harder. Wider angles spread the water out and hit with less force per square inch. The industry color code is universal across brands: red is 0°, yellow is 15°, green is 25°, white is 40°, and black is the 65° low-pressure soap tip. Most pros live on the 25° (green) for general cleaning and switch to a 15° (yellow) for stains or a 40° (white) for delicate surfaces like painted siding.
Standard tips vs. specialty nozzles
Standard flat-fan tips handle 90% of pressure washing work. The rest is where specialty nozzles come in. A turbo nozzle spins a 0° stream in a cone pattern, so you get the cutting power of red with three to four times the coverage. An AJH adjustable nozzle lets you dial from 0° to 60° on the fly without swapping tips, which is useful for soft wash reach work. An X-Jet M5 turns your pressure washer into a downstream soft wash setup for around $200. It draws chemical externally, so it never touches your pump or hose.
Pressure Washer Nozzle Color Chart
| Color | Spray angle | Best use |
|---|---|---|
| Red | 0° | Spot cleaning, rust, hardened stains (use with caution) |
| Yellow | 15° | Concrete prep, paint stripping, heavy buildup |
| Green | 25° | General cleaning, driveways, vehicles |
| White | 40° | Siding, decks, painted surfaces, soffits, light rinse |
| Black | 65° | Low-pressure soap application (chemical injection) |
Related Categories
- Pressure Washer Guns
- Pressure Washer Wands
- Pressure Washer Pumps
- Soft Wash Nozzles
- Pressure Washer Accessories
Frequently Asked Questions
What size pressure washer nozzle do I need?
Match the orifice number to your pump's GPM at its rated PSI. A 4 GPM / 4000 PSI machine uses a 4.0 tip. A 5.5 GPM / 3500 PSI machine uses a 5.5 tip. If your numbers don't fall on a round size, use our Nozzle Size Calculator. It returns the exact orifice for your PSI and GPM combination.
What do the colors on pressure washer nozzles mean?
The color tells you the spray angle, and the code is the same across every major brand. Red is 0° (pencil stream), yellow is 15°, green is 25°, white is 40°, and black is the 65° soap tip used for low-pressure chemical application. A yellow tip from one manufacturer is the same 15° as a yellow tip from another.
What's the difference between a turbo nozzle and a standard tip?
A standard 0° tip throws a single concentrated stream. It's narrow and fast, and it'll leave stripes if you hold it in one spot on concrete. A turbo nozzle spins that same 0° stream in a rotating cone, so you get the cutting power of red with roughly the coverage of a 25° green. It cleans concrete and brick three to four times faster than a flat tip, but it's harder on surfaces, so keep it off siding and wood.
Can I use a pressure washer nozzle to apply soft wash chemicals?
The 65° black soap tip works with a downstream injector for light chemical application, but it has limited reach and dilutes the mix heavily. For real soft washing (roofs, second-story siding, anything where you need 30+ feet of reach with concentrated SH), use an X-Jet M5 or a dedicated soft wash setup. The X-Jet bypasses your pump entirely and gives you up to 40 feet of vertical reach at full strength.
Why am I losing pressure after installing a new tip?
Nine times out of ten the new tip is oversized. Orifice too big means flow exceeds what the pump can pressurize, and the gauge drops. Verify the orifice number matches your pump's GPM. If sizing is correct, the next suspects are a worn unloader, packing leaks, or a clogged inlet filter. We covered the full diagnostic on our blog post about why pressure washers lose pressure over time.
How long do pressure washer tips last?
Stainless steel tips typically last a season or two of regular commercial use. Figure 50 to 100 hours of run time, depending on water quality and grit. You'll know a tip is worn when the spray pattern starts fanning unevenly or you see a measurable drop in pressure at the gun. Both are signs the orifice has eroded out of round. Tips are cheap. Replace them at the first sign of pattern drift instead of pushing another season out of them.
What's a JROD nozzle holder for?
A JROD holds up to four 1/4" threaded tips at once, so you can rotate between spray angles without digging through your pocket. Most pros run it loaded with a 0°, 15°, 25°, and a black soap tip. That covers nearly every pressure washing scenario without stopping to swap nozzles by hand.