Blog › Pressure Washers
Pressure Washer Nozzle Color Chart: Choosing 0°, 15°, 25°, and 40° Tips
Five little colored tips come with every rental, and they matter more than most people realize. Swap a white 40° tip for a red 0° tip and you multiply the impact force on the surface many times over — enough to etch concrete or shred a deck board. Choose right and the same machine cleans faster and safer.
This is the complete nozzle color chart: what each color means, the spray pattern it produces, and exactly when to reach for it.
How spray tips control pressure
A nozzle does two things: it meters flow through a precisely sized orifice, and it shapes the spray into a fan of a specific angle. A narrow fan concentrates all the machine's pressure into a tiny area (high impact); a wide fan spreads it out (gentle rinse). Same machine, same PSI — wildly different results. That is why pros change tips constantly instead of changing machines.
Tip sizes are also matched to the machine's GPM. An oversized orifice drops pressure; an undersized one strains the pump. Our rental nozzles are pre-matched to each unit, so you can focus on color, not orifice math.
The nozzle color chart
| Color | Fan angle | Spray pattern | Best uses | Caution level |
|---|---|---|---|---|
| Red | 0° | Pencil jet | Stubborn spots on concrete, metal prep | Extreme — can cut skin and etch concrete |
| Yellow | 15° | Narrow fan | Stripping paint, heavy grime on concrete | High — keep moving, test first |
| Green | 25° | Medium fan | General cleaning: driveways, siding, brick | Moderate — the default choice |
| White | 40° | Wide fan | Cars, wood decks, windows, rinsing | Low — safest all-rounder |
| Black | 65° | Low-pressure wide | Applying detergent/soap only | None — too weak to clean |
Red 0°: the scalpel
The red tip fires a pencil-thin jet with maximum impact. It is for concentrated spot work only — chewing a rust stain off concrete, for example. Never use it on wood, siding, or cars, and never hold it in one place: it can carve a line into concrete in seconds and will cut skin. Many pros leave this tip in the box for entire jobs.
Yellow 15°: the stripper
The yellow tip's narrow fan strips paint, removes heavy mildew from concrete, and blasts caked mud off equipment. It is aggressive — keep the wand 8–12 inches away, keep it moving, and test first. On a rental unit at 3,500+ PSI, this tip demands respect.
Green 25°: the workhorse
If you only learn one tip, learn green. The 25° fan is the default for driveways, sidewalks, siding, brick, and general grime — enough bite to clean, wide enough to be forgiving. Start every unfamiliar job with green and only go narrower if the grime demands it.
White 40°: the gentle giant
The white tip spreads pressure over the widest cleaning fan, making it the safe choice for cars, boats, wood decks, outdoor furniture, and windows. It is also the best rinsing tip: after soaping with the black tip, switch to white to wash detergent away without driving water where it does not belong.
Black 65°: the soap tip
The black tip is not a cleaning tip at all — it drops pressure so the machine's detergent injector can draw soap. Always apply detergent with black, let it dwell (never let it dry on the surface), then switch to green or white to rinse. Using a high-pressure tip to apply soap just blasts it off before it can work.
Nozzle wear: the invisible performance killer
- Worn nozzles lose pressure: the orifice erodes with use, and a 10% oversize orifice can cost you noticeable cleaning power.
- Rentals solve this: our techs check and replace tips between rentals — one less thing to diagnose.
- Never clean a tip with a pin or wire unless you know the orifice size; scratching it ruins the spray pattern.
- Quick-connects: pull back the collar, insert the tip, and tug to confirm it is locked before pulling the trigger.
Pair the right tip with the right machine and you will be amazed how fast the work goes. If you are tackling a big concrete area, also read our surface cleaner attachment guide — it beats any hand-held tip on flatwork.
Quick-start: your first 10 minutes with the tips
New to pressure washing? Here is the foolproof sequence our counter staff teaches every first-timer. Start with the black soap tip: coat one manageable section with detergent and let it dwell 5–10 minutes (shade is fine; never let soap dry on the surface). Switch to the green 25° tip and wash top to bottom, keeping the wand 8–12 inches away at a slight angle. Finish with the white 40° tip for a final rinse pass that clears residue from crevices.
Only reach for yellow or red if green leaves stubborn spots behind — and when you do, test the aggressive tip on a hidden corner first. Nine jobs out of ten never need anything narrower than green.
Frequently asked questions
What do the colors on pressure washer nozzles mean?
They indicate fan angle: red 0°, yellow 15°, green 25°, white 40°, black 65° (soap). Narrower angles concentrate pressure for tougher grime; wider angles are gentler and safer.
Which nozzle is safe for car washing?
The white 40° tip (or black soap tip for detergent). Never use red or yellow on paint — they can strip clear coat and force water past seals.
Can a 0° nozzle damage concrete?
Yes. A 0° tip at close range can etch permanent lines into concrete. Use it only for small stubborn spots, keep it moving, and maintain distance.
Why won't my pressure washer draw soap?
You are probably using a high-pressure tip. Detergent injectors only work with the low-pressure black soap tip installed.
Do nozzle tips wear out?
Yes — the orifice erodes over time, reducing pressure. If a familiar machine suddenly feels weak, a worn tip is a prime suspect.
Which single nozzle should a beginner start with?
Green 25°. It is the most forgiving all-rounder: effective on driveways and siding, unlikely to cause damage when used sensibly.
Get the full tip set with every rental.
Our pressure washer rentals include all five nozzles, matched to the machine. Reserve yours today.
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