Two pressure washers with identical pumps can clean like completely different machines, and the difference is often a five-dollar piece of brass on the end of the wand. Spray tips for a pressure washer decide how concentrated the water is, how much surface it covers, and whether your machine cleans a patio in one pass or gouges a stripe into it. They are the cheapest, fastest way to change what your pressure washer can do, and the most misunderstood part of the whole system.
Most owners treat tips like interchangeable accessories and never think about them again. That is a mistake. The angle of a tip decides whether it strips paint or gently rinses a window, and the orifice number decides whether your pump runs at its rated pressure or quietly works itself to death. Get both right and the same machine will handle concrete, siding, a car, and a deck. Get them wrong and you will damage a surface, starve a pump, or wonder why your washer feels weak.
What Pressure Washer Spray Tips Actually Do
A spray tip is the small nozzle at the end of your wand. Water enters at high pressure and exits through a precisely machined hole, and that hole determines two things: the width of the spray fan and how much water flows through it.
The spray angle sets how concentrated or spread out the stream is. A narrow angle focuses the water into a tight, high-impact jet that cuts through grime. A wide angle spreads the same water over a broad area, which is gentler but slower to clean a specific spot.
The orifice is the size of the opening. It sets how much water the tip can flow at your machine’s pressure. This is the part most people ignore, and it is the part that protects or endangers your pump. A tip that is too small builds excess pressure and can overload the pump. A tip that is too large lets water flow too freely, dropping your working pressure and cleaning power.
Change the tip and you change the personality of the machine. That is why serious operators keep a full set organized and reach for the right one by habit. Our guide on pressure washer nozzle types and our guide on the nozzle color code cover the spectrum of options.
The Color Code: Spray Angle Explained
Pressure washer tips are color coded by spray angle so you can identify them at a glance. The system is nearly universal, and once you learn it you will never guess again.
| Color | Angle | Impact | Typical Uses |
|---|---|---|---|
| Red | 0 degrees | Highest, cutting | Stubborn stains on concrete and metal only |
| Yellow | 15 degrees | High, chiseling | Hard surfaces, stripping, heavy grime |
| Green | 25 degrees | Medium, all-purpose | General cleaning, patios, fences, most surfaces |
| White | 40 degrees | Low, gentle | Vehicles, siding, windows, soft wood |
| Black | 65 degrees | Lowest, soap | Low-pressure detergent application |
Read the table as a safety scale. The narrower the angle, the more concentrated the impact, and the more easily you can damage a surface. The wider the angle, the gentler and safer the spray. Almost every pressure washing accident, from stripped paint to gouged wood to cracked siding, comes from using an angle that was too narrow for the surface.
The Number: Orifice Size, the Part Most People Miss
If the color is the angle, the number stamped on the tip is the orifice size, and it is every bit as important. The number tells you how much water the tip can flow, and it must match your pressure washer’s GPM at its working PSI.
Orifice sizes are typically sold in half-size increments such as 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, and up. The number is calibrated so that a given size flows a certain GPM at 4000 PSI. From there, the flow changes with pressure, which is why you must calculate rather than guess.
This is the part that protects your pump. Too small an orifice restricts flow, builds excessive pressure, and can overheat or overload the pump, leading to early failure. Too large an orifice lets water rush through with too little resistance, so your working pressure drops and your cleaning power fades, even though the machine sounds fine.
The correct size sits in the middle: enough restriction to build your machine’s rated pressure without exceeding it. Get it right and the pump runs comfortably at its designed pressure, delivering full cleaning power and lasting for years. Our guide on how to choose the right nozzle size and our guide on reading the tip size chart go deeper.
The Sizing Formula Made Simple
You do not need to be an engineer to size a tip. The industry standard formula is straightforward, and a calculator makes it instant.
The formula is: Nozzle size = GPM multiplied by the square root of (4000 divided by PSI). In plain terms, you plug in your machine’s rated flow and pressure, and the result is the orifice number you need. Round to the nearest half-size available.
Here are worked examples at common machine ratings.
| Flow (GPM) | Pressure (PSI) | Calculated Size | Tip to Buy |
|---|---|---|---|
| 2.5 | 3000 | 2.89 | 3.0 |
| 3.0 | 3000 | 3.46 | 3.5 |
| 4.0 | 3000 | 4.62 | 4.5 |
| 4.0 | 4000 | 4.00 | 4.0 |
| 5.5 | 2500 | 6.96 | 7.0 |
Notice how the same flow needs a smaller orifice at higher pressure and a larger one at lower pressure. That is the formula at work, and it is why buying a random pack of tips without checking the number can hurt performance or the pump. When you are between sizes, choosing the slightly larger tip favors flow while protecting the pump, while the smaller tip favors pressure. Most operators round to the nearest half-size and lean toward the larger size for safety. Our guide on tip size charts walks through the lookups, and an online nozzle calculator does the math instantly.
How to Read a Tip Code
Many tips are stamped or labeled with a code that combines the angle and the orifice. Once you know the format, the label tells you everything.
The first two digits are the spray angle, and the remaining digits are the orifice size with an implied decimal. So a tip labeled 25035 is a 25 degree tip with a 3.5 orifice. A 40045 is a 40 degree tip with a 4.5 orifice, and a 15030 is a 15 degree tip with a 3.0 orifice.
This matters when ordering. If you know you need a 25 degree tip at a 3.5 orifice, you can order 25035 with confidence and skip the guesswork. It also helps you spot mismatches in a set: a kit where all the tips share the same orifice number is correctly matched to one machine, while a random assortment probably is not.
Color plus number plus code is the whole language of pressure washer tips. Learn it and you can equip any machine correctly and diagnose problems quickly. Our guide on color coded tips and our guide on picking the right tip every time reinforce the system.
Types of Spray Tips Beyond the Color Set
The colored fan-tip set is the foundation, but several specialty tips solve specific problems.
Turbo and rotary nozzles. A turbo nozzle contains a spinning zero-degree jet that sweeps a circular pattern, combining the cutting power of a narrow angle with the coverage of a wider one. They clean flat surfaces like concrete dramatically faster but hit harder, so they demand care. Our guide on rotary nozzles, our guide on rotary tips, and our guide on turbo nozzles at 5000 PSI cover these in depth.
Soap nozzles. The black 65 degree tip is the standard low-pressure soap tip. It drops pressure enough to draw and apply detergent without blasting it off. Our guide on using a soap dispenser covers the application side, and our guide on detergent types covers the chemistry.
Adjustable and multi-pattern tips. Some tips let you change the angle on the fly, which is convenient but often less precise than fixed tips. They suit casual use; professionals usually prefer dedicated tips. Our guide on adjustable nozzles explains the trade-offs.
Angled tips. A tip set at an angle lets you reach under gutters, vehicles, and overhangs without bending the spray path. Our guide on angled nozzles covers the reach advantage.
Threaded and insert tips. Beyond quick-connect tips, you can find threaded and insert styles for specific guns and lances, including some industrial setups. Match the connection to your equipment. Our guide on quick-connect fittings covers the common connection side.
Each specialty tip exists to solve a job the standard five-color set handles awkwardly. Add them to your kit as your work demands. Our guide on turbo nozzles for concrete shows the biggest payoff for most users.
Which Tip for Which Job
The fastest way to choose is to work backward from the surface. Start gentle, increase only if needed.
| Surface or Task | Starting Tip | Watch Out For |
|---|---|---|
| Concrete driveway and sidewalk | Green 25 or yellow 15 | Stripes and etching from holding too close |
| Vinyl siding | White 40 | Forcing water behind panels |
| Wood deck | White 40, low pressure | Furring and gouging the grain |
| Car paint and glass | White 40 | Damaging trim, decals, and seals |
| Applying detergent | Black 65 | Drying before it works; rinse before it dries |
| Stubborn concrete stains | Red 0 or a turbo nozzle | Gouging; never use on soft surfaces |
This table is a starting point, not a rulebook. The best tip also depends on your machine’s pressure, your distance from the surface, and the condition of the material. A 15 degree tip on a gentle electric machine may be safe on a surface where the same angle on a 4000 PSI gas machine would do damage. Our guide on the spray tip for every surface, our guide on nozzles for vinyl siding, and our guide on the right tip for a deck cover surface-specific choices.
Technique: Distance, Angle, and Overlap
The right tip still needs the right technique. Even a gentle tip can damage a surface if you hold it too close for too long.
Test before you commit. Spray an inconspicuous area first and judge the result. This is the single best habit for avoiding damage.
Keep your distance. The closer the tip, the higher the impact. Distance is a pressure control you can adjust moment to moment without changing tips.
Keep the spray moving. Holding a tip in one spot concentrates energy and marks the surface. Sweep steadily and never dwell.
Use a consistent angle and overlap. Work in overlapping passes at a steady angle so the surface cleans evenly without stripes.
Watch the runoff. On soft or delicate surfaces, watch how the material responds and back off if the surface starts to look distressed.
Good technique turns any tip into a safer tool. Our guide on matching a spray tip to every surface pairs with these habits for clean, damage-free results.
Tip Materials and Quality
Not all tips are created equal. Material and machining quality affect how long a tip holds its size and how evenly it sprays.
Brass. Common and economical, but soft. Brass orifices erode faster, especially with abrasive water, and lose accuracy over time.
Stainless steel. Harder and longer lasting than brass, and a good middle ground for professional use. Stainless tips hold their size longer and resist wear.
Ceramic inserts. The most wear-resistant option. A ceramic orifice resists erosion the best, which matters when a tip must stay accurate for reliable pressure and cleaning. Ceramic-tipped nozzles are common in professional sets.
Machining quality matters too. A well-made tip produces a clean, even fan, while a cheap one may spray unevenly or leak at the connection. For a tool you use constantly, spend a little more on quality tips; they pay back in accuracy and lifespan. Our guide on picking a high pressure nozzle covers the quality side.
Maintenance and Replacing Worn Tips
Tips wear out, and a worn tip is a hidden performance drain. As the orifice erodes, it enlarges, letting more water flow and dropping your working pressure. The machine sounds normal but cleans worse, and operators often blame the pump when the real culprit is a two-dollar tip.
Inspect routinely. Look for a distorted spray pattern, a visibly enlarged opening, nicks, or debris. An uneven fan is a worn or clogged tip.
Clean gently. Clear blockages with a soft brush or a piece of wire softer than the orifice. Do not jam a hard tool through a ceramic or stainless orifice; you will ruin it.
Replace as a set. When tips wear, replace them together so the whole set stays matched to your machine and to each other.
Keep spares on hand. A clogged or lost tip should never end a job. Carry a full spare set and a wire tip cleaner. Our guide on replacing nozzles to stop weak spray and our guide on restoring full cleaning power with a new nozzle cover the swap.
Be suspicious of weak spray. If cleaning power fades but the machine runs normally, check the tip before anything else. Erosion, not the pump, is often the cause. Our guide on components from pump to nozzle helps you isolate the problem.
Common Mistakes With Spray Tips
Ignoring the orifice number. The most common and most damaging mistake. A tip that only matches the color but not the size can overload the pump or kill your pressure.
Using too narrow a tip on soft surfaces. The fastest route to stripped paint, furred wood, and cracked siding. Always start wider.
Holding the wand too close. Distance is pressure. Closing in on a gentle surface with any tip can cause damage.
Mixing sizes in a set. Random tips that do not match your machine give random results. Match the whole set to your GPM and PSI.
Running worn tips. Eroded orifices quietly steal your pressure. Replace them.
Using a soap tip at full pressure. Detergent tips are meant to drop the pressure; forcing soap through a high-pressure fan wastes product and can damage the surface.
Forgetting overlap. Uneven passes leave stripes, the tell-tale sign of rushed pressure washing.
Avoid these and your tips become a fast, safe way to change how the machine works for every job. Our guide on using each nozzle color and our guide on the right tip for every surface reinforce the fundamentals.
Building a Practical Tip Kit
A complete kit makes you ready for almost any job. Start with the standard five-color set matched to your machine’s orifice size, then add specialty tips as your work demands.
The core set: red 0, yellow 15, green 25, white 40, and black 65, all in your machine’s correct orifice size. These five cover the vast majority of jobs.
The add-ons: a turbo or rotary nozzle for fast flatwork, an angled tip for hard-to-reach spots, and a spare matched set so a lost or clogged tip never stops a job.
The accessories: a wire tip cleaner, a nozzle holder or organizer, and the right quick-connect fittings for your gun. Our guide on stainless quick-connect kits helps with the connection side.
Because tips are cheap, the smart move is to buy a matched set plus spares rather than one-off tips. You will always have the right tool within reach, which is what keeps work moving. Our guide on where to buy supplies covers sourcing, and our guide on choosing a wand covers the delivery end.
How Tips Affect Your Pressure and Flow
Understanding the relationship between tips, pressure, and flow explains why one small part changes so much.
Your pump is designed to move a certain GPM at a certain PSI. The tip’s orifice sets how much resistance that flow meets. Tighten the orifice and back-pressure rises, pushing pressure up toward the pump’s limit. Open the orifice and resistance falls, letting more water flow and dropping the pressure you feel at the surface.
This is why the same machine can lose or gain apparent power with a tip swap. A correctly sized tip lets the pump build exactly its rated pressure while flowing its rated GPM, the sweet spot where cleaning power is maximized and the pump is comfortable.
There is also a real risk to getting it wrong. A tip that is far too small forces the pump to work against a restriction it was not built for, raising pressure beyond spec. That extra load stresses seals, valves, and the pump itself, shortening its life. Unloader valves may cycle, and in the worst cases the pump overheats. The fix is simple: match the orifice to your machine.
The flow side matters too. A tip that is too large lets water pass with little resistance, so pressure falls and your cleaning power with it. You might chase the problem by moving closer or slowing down, but the real answer is the correct tip size. Our guide on flow that cleans faster and our guide on why flow beats PSI alone explain the balance.
Quick Connect vs Threaded Tips
Tips attach to your wand or gun in one of a few ways, and knowing the difference avoids frustrating mismatch.
Quick-connect tips. The most common arrangement on consumer and prosumer machines. The tip clicks into a quick-connect coupler at the end of the wand and pulls out with a quick release. This is fast, and it is why a five-color set is so convenient. Our guide on quick-connect fittings that lock tight covers keeping the connection reliable.
Threaded tips. Some lances and industrial guns use threaded tips that screw in. They are secure and common on heavier equipment, but slower to change.
Insert-style tips. Specialized nozzles, such as some turbo and special-purpose tips, insert and lock in their own way. Always match the style to your equipment.
Adapters. If your tip style does not match your wand, adapters bridge the gap. This is common when mixing brands. Our guide on adapter fittings covers making mismatched parts work without leaks.
The connection style does not change how a tip cleans, but it absolutely affects how quickly you can swap one out on a job. Quick-connect is the practical choice for most users because it makes changing nozzles a one-second operation.
Spray Tips for Car Washing
Vehicles are the poster child for tip choice, because car paint and trim are easily damaged by too much pressure.
For cars, start with the white 40 degree tip at a distance. It delivers enough pressure to remove road film, bug residue, and dust without risking paint or clear coat. Follow with the black 65 degree soap tip to apply detergent, then rinse again with the 40 degree.
Keep the wand moving and never hold a narrow tip near the vehicle. A 25 degree green tip may be fine on wheels and tires and for heavier grime on lower panels, but even 25 degrees demands distance on painted surfaces. A zero-degree or turbo tip has no place on car paint.
Watch vulnerable areas: badges, decals, trim, and panel gaps. Pressure forced into gaps can lift paint and damage seals. Roof rails, spoilers, and plastic cladding can be loosened by aggressive spray. Gentle is the rule. Our guide on whether pressure washing a car is safe and our guide on washing with wax for a showroom shine cover vehicle care.
Roof, Gutter, and Second-Story Tips
Reaching up and cleaning gentle surfaces requires both the right tip and the right approach.
Gutters and fascia are cleaned with wider tips at low impact, using extensions or telescoping wands to reach safely from the ground. A narrow tip at height risks damaging gutter seams, loosening fasteners, and spraying water where it should not go, such as into soffits or eave vents. Our guide on pressure washing gutters safely and our guide on gutter cleaning methods cover the risks.
Second-story siding and trim are best cleaned gently from a distance or with a soft-wash approach, using wide tips and low pressure. Pressure pushed up into siding can force water behind panels and into the wall assembly, causing hidden damage.
Roof cleaning is rarely a job for high-pressure tips at all; it usually calls for low-pressure soft washing with the right chemistry, not a fan tip at high impact. Our guide on cleaning second stories safely and our guide on cleaning windows safely cover high and delicate work. For reach, our guide on telescoping wands helps you stay off ladders.
Soft Washing and Low-Pressure Cleaning
Soft washing is a low-pressure method that relies on chemistry and flow rather than impact. It is the right approach for roofs, stucco, painted surfaces, and anything fragile.
In soft washing, the tip is chosen to keep pressure low, often using wide-angle tips or dedicated soft-wash nozzles and injectors rather than a narrow high-impact fan. The detergent does the work of killing organic growth and breaking down dirt, and a gentle rinse carries it away.
The tip logic still applies: you size the orifice to your machine, then choose the widest angle that delivers the coverage you need without raising impact. This is the opposite instinct from concrete cleaning, and it is what keeps delicate surfaces intact. Our guide on 8 GPM soft washing setups covers the high-flow side that soft washing often favors.
Understanding the difference between pressure washing and soft washing is one of the clearest signs of an experienced operator. The tip is the physical embodiment of that choice: narrow and aggressive for tough flatwork, wide and gentle for everything delicate.
Spray Tips for Commercial Work
When cleaning is your business, tips stop being an accessory and become a consumable you manage like any other.
Standardize your sizes. Know your machine’s orifice size and equip every truck with matched sets, so any operator can grab a tip and know it fits the machine.
Carry plenty of spares. Tips clog, wear, and disappear. A job should never stop for a two-dollar part. Our guide on stocking supplies covers keeping the right inventory.
Match tips to services. If you offer concrete, soft washing, and vehicle cleaning, keep tips and tools tuned to each service, including turbo nozzles for flatwork and wide tips for delicate work.
Track wear. On a busy crew, tips wear fast. Replace them on a schedule rather than waiting for a customer to notice weak results. Worn tips quietly cost you time and quality on every job.
Train your operators. The color and number system is easy to teach and prevents the damage and rework that come from guessing. A crew that respects tips delivers more consistent results. Our guide on choosing a commercial machine and our guide on building a cleaning business cover the broader operation.
Storing and Organizing Tips
Because tips are small, they vanish easily. A little organization saves time and money.
Use a holder or organizer. A nozzle holder that clips to the wand or gun keeps the set together and within reach. Many quick-connect sets include one.
Label by color and number. If your set includes tips in your machine’s size, note the orifice size so replacements match. A tiny label or a marked holder prevents mix-ups.
Keep spares in a case. A small divided case or pouch in the truck keeps spare tips clean, dry, and findable.
Protect the orifices. Store tips so their openings are not banged or scratched. A nicked orifice sprays unevenly.
Separate worn from new. Keep worn tips apart from fresh ones so you are not accidentally running a degraded tip, and discard or mark worn tips for replacement.
Simple organization turns a pile of tiny parts into a reliable, ready-to-use kit, which is exactly what you want when a job is waiting. Our guide on pressure washing starter kits covers the essentials a new operator should have on hand.
Buying Tips: What to Look For
A few simple criteria separate a good buy from a waste of money.
Correct orifice size. Confirm the number matches your machine before you buy. A beautiful tip in the wrong size is useless or harmful.
Quality material. Ceramic or stainless hold up better than brass, so spend accordingly. For a heavily used set, the extra durability pays off.
Clean machining. Look for even spray patterns and well-formed seals. Cheap tips spray unevenly and leak.
Full color range. Buy the whole set rather than one or two tips, so you always have the right angle for the job.
Match the connection. Confirm quick-connect, threaded, or insert style fits your wand or gun, and add adapters if needed.
Reputable source. Buy from a supplier who lists the orifice size and material clearly. Reputable manufacturers and suppliers such as Simpson, Cam Spray, and MTM Hydro publish clear specs. An online nozzle calculator helps you confirm the size before ordering.
Buying the right tips is cheap when you get it right and surprisingly costly when you do not, because a wrong tip can degrade performance or damage a pump. A few minutes of checking prevents both.
How the Fan Pattern and Impact Work Together
It helps to picture exactly what happens when water leaves a tip. The orifice forces high-pressure water into a thin, fan-shaped sheet, and the angle sets how wide that sheet spreads. A narrow fan concentrates the flow into a small area, so a lot of energy hits a little spot. A wide fan spreads the same flow over more area, so each spot feels less energy.
This is why impact and coverage trade off. The narrow tip cleans a stubborn stain fast but can gouge a soft surface. The wide tip covers ground quickly and safely but may need more passes to lift heavy grime. There is no single best angle; there is only the right angle for the surface and the soil in front of you.
Distance adds a second control. Moving the wand back spreads the fan further and lowers impact, while moving closer concentrates it. Together, the tip angle and your distance give you an adjustable range from gentle rinse to aggressive cutting, all without changing parts.
Experienced operators read the surface and the soil, pick an angle, and then fine-tune with distance. They rarely start aggressive. They start safe and escalate only as the surface proves it can take more. That instinct is what separates a clean, damage-free result from a repair bill. Our guide on pressure washing basics covers how to build that judgment.
Spray Tips and Detergent Compatibility
Tips and chemicals work as a team. The right detergent loosens soil so a gentler tip can finish the job.
The black 65 degree soap tip is designed for low-pressure application. It reduces the pressure at the surface so detergent can cling and work instead of being blasted away. Using a soap tip at full pressure defeats the purpose, wasting product and risking damage.
Pair the soap tip with a detergent suited to the soil: a specific concrete cleaner for driveways, a house wash for siding, a vehicle soap for cars. Apply at low pressure, let it dwell, then switch to a rinse tip and wash it away. Chemistry plus the right tip often beats brute force, and it lets you clean delicate surfaces that a pressure-only approach would ruin. Our guide on detergent types and uses and our guide on using a soap dispenser cover the workflow.
One caution: some chemicals are tough on certain tip materials, and abrasives speed orifice wear. Rinse tips after use and store them clean. Our guide on using pressure wash chemicals safely covers handling.
Troubleshooting Common Tip Problems
Most tip-related complaints have simple causes and fixes.
Weak or fading spray. Usually a worn or clogged tip. Erosion enlarges the orifice and drops pressure. Clean it, and if the pattern is still uneven, replace it.
Uneven or split spray pattern. A nicked or partially blocked orifice. A tiny piece of grit or a scratch distorts the fan. Clean gently with a soft tool, and replace if damaged.
Leaking at the connection. A worn O-ring or a poor-fitting tip. Replace the seal or the tip, and confirm the connection style matches. Our guide on O-ring kits covers sealing leaks.
Sudden pressure spike. A partially blocked tip or a tip that is too small. Clear the blockage and confirm the orifice matches your machine to protect the pump.
Water spraying sideways or poorly formed. A damaged tip or a mismatched adapter. Inspect the tip and the connection, and replace damaged parts.
Tip pops out under pressure. An incomplete connection. A quick-connect tip must click fully into place. If it will not stay, the coupler or tip is worn. Our guide on quick-connect fittings that lock tight covers reliability.
Troubleshooting tips first is smart, because tips are the cheapest and most common point of failure. Fix the two-dollar part before you suspect the five-hundred-dollar pump. Our guide on a pressure washer tune-up covers the broader machine.
Spray Tips Across Machine Types
The basic color and number system is universal, but the right choices shift with the machine.
Electric machines. Often lower GPM and PSI, so they use smaller orifices and rely more on wider tips to avoid stalling. Gentle tips dominate, and a small turbo tip can help on flatwork. Our guide on a corded electric at 2700 PSI and our guide on a 2650 PSI electric machine show what these units handle.
Gas machines. Higher flow and pressure open up the full range, including turbo nozzles and narrow tips for concrete. These machines reward correct sizing because a wrong tip hurts them more. Our guide on a 4000 PSI commercial machine and our guide on choosing a 3500 PSI machine cover gas setups.
High-flow commercial machines. Large orifices and large turbo nozzles come into play, and the sizing math matters even more because errors are bigger. Our guide on 8 GPM flow and our guide on 8000 PSI machines cover the heavy end.
Whatever the machine, the process is the same: read the GPM and PSI, size the orifice, choose the angle for the job, and test before committing. The machine changes the numbers, never the method.
Frequently Asked Questions
What are the 5 pressure washer tips? The standard set is red 0 degree, yellow 15 degree, green 25 degree, white 40 degree, and black 65 degree. Color indicates the spray angle, not the size.
What is the most common pressure washer tip? The green 25 degree is the everyday all-purpose tip, and the white 40 degree is the common gentle tip for vehicles and siding.
What size tip do I need? Use the formula: nozzle size = GPM times the square root of (4000 divided by PSI), then round to the nearest half-size. A calculator makes it instant.
Does the color tell me the size? No. Color sets the spray angle. The orifice size is a separate number stamped on the tip, and it must match your machine’s GPM and PSI.
What happens if my tip is the wrong size? Too small and you build excess pressure and risk pump damage. Too large and your working pressure drops, hurting cleaning power.
Which tip is safest for beginners? Start with the white 40 degree for general work and only go narrower when a surface clearly needs more impact. Always test first.
Can I use a 0 degree tip on concrete? Yes, carefully. The red 0 degree is for stubborn stains on hard surfaces, but it can etch concrete and damage softer materials, so use it with restraint and distance.
What is a 65 degree tip for? The black 65 degree tip is the low-pressure soap tip, used to apply detergent without blasting it away.
How do I read a tip code like 25035? The first digits give the angle and the rest give the orifice with an implied decimal, so 25035 is a 25 degree tip with a 3.5 orifice.
How often should I replace spray tips? Inspect them regularly and replace them when the pattern is uneven, the opening is enlarged, or cleaning power has dropped. Replace them as a matched set.
Are ceramic tips better than brass? Ceramic resists erosion best and holds its size longest. Stainless is a good middle ground, and brass is the most economical but wears fastest.
Why did my cleaning power drop even though nothing changed? A worn or clogged tip is the usual cause. Check the tip before suspecting the pump.
Can I use the same tip on every surface? No. Matching the angle to the surface is what keeps results clean and damage-free. Keep the full set handy.
Do turbo nozzles use the same size number? Yes. The internal orifice must still match your machine’s calculated size; you choose the angle and type after sizing the orifice.
What tip do I use for a driveway? Start with the green 25 degree for general concrete, or the yellow 15 degree for heavier staining. Use a turbo nozzle for the fastest flatwork, taking care not to dwell in one spot.
Can I clean my house siding with a pressure washer tip? Yes, with the white 40 degree tip at low impact, working top to bottom and keeping water out of seams. Many pros prefer soft washing for siding to avoid forcing water behind panels.
What tip removes mildew? Mildew usually needs a detergent plus the right technique more than raw pressure. Apply a suitable cleaner with the black soap tip, let it dwell, then rinse with a wider tip. Our guide on detergent types covers the chemistry.
Why does my pressure washer have 5 tips? The standard set gives you a range of angles from aggressive to gentle, so one machine can safely handle everything from concrete to vehicles without swapping machines.
Is a narrower tip always stronger? A narrower angle concentrates impact, so it feels stronger, but it also risks more damage. Strength should be matched to the surface, not maxed out.
Can I make my tip spray wider without changing it? You can spread the fan by moving the wand farther from the surface and narrow it by moving closer, but the fundamental angle is fixed by the tip. Changing the tip is the real fix.
What is the difference between a nozzle and a tip? In everyday use the terms are interchangeable for pressure washers, both referring to the colored spray tip at the end of the wand.
Final Thoughts
Pressure washer spray tips are the smallest, cheapest, and most influential accessories you own. The color sets the spray angle that decides whether a job is gentle or aggressive, and the number sets the orifice that decides whether your pump runs safely and your pressure reaches full strength. Master those two pieces of information and you control the machine’s behavior for every surface you clean.
Start with the standard five-color set matched to your machine’s GPM and PSI, add a turbo nozzle and an angled tip as your work demands, and keep spares within reach. Use the sizing formula or a calculator, round to the nearest half-size, and lean toward the larger tip for pump safety. Then let technique do the rest: test first, keep your distance, keep moving, and overlap your passes.
Do that and a handful of tiny brass and ceramic parts will turn one pressure washer into a machine that can safely handle concrete, siding, decks, vehicles, and everything between. Buy the right tips, respect the angles, and the rest of your cleaning gets dramatically easier.