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From everyday cleaning to demanding industrial work, there’s a machine built for the task.
| Application | Everyday Cleaning Power3500 PSI@ 2.5 GPM | Heavy-Duty Cleaning Power3700 PSI@ 2.5 GPM | Maximum Cleaning Power4000 PSI@ 3.5 GPM |
|---|---|---|---|
| Vehicle Cleaning | BEST Ideal PSI for vehicles |
GOOD Effective, slight overkill |
EFFECTIVE Works, but excess power |
| Deck & Fence Cleaning | GOOD Effective, may take longer |
BEST Sweet spot for wood surfaces |
GOOD Effective, use lower setting |
| Siding / Exterior Cleaning | GOOD Effective on most siding |
BEST Ideal for exterior surfaces |
GOOD Very effective |
| Surface Cleaning (Driveways & Large Areas) | EFFECTIVE Will work, slower results |
GOOD Solid driveway performance |
BEST Highest flow rate = faster |
| Brick / Patio Cleaning | EFFECTIVE Works on light build-up |
GOOD Handles most brick jobs |
BEST Cuts through grime fast |
| Paint Preparation | EFFECTIVE Light prep jobs only |
GOOD Effective for most prep |
BEST Pro-grade paint stripping |
| Industrial Cleaning | EFFECTIVE Light industrial only |
GOOD Handles medium-duty tasks |
BEST Built for heavy industrial |
| Graffiti Removal | EFFECTIVE Fresh/light graffiti only |
GOOD Most graffiti applications |
BEST Max removal power |
Our how-to videos make it easy to set up, maintain, and operate your SIMPSON® pressure washer, so you can get the most out of every job, with less hassle and more confidence.
Here to help you every step of the way.
If your engine recoil starter rope is hard to pull, it may be due to “pressure lock” of the pump. Pressure lock is caused by:
This pressure can prevent the engine from moving and the engine recoil starter rope from being pulled, acting like the engine is locked up.
If the recoil cannot be easily pulled, possibly due to pressure lock, then squeeze the spray gun trigger to relieve built up pressure on the pump and engine. Failure to release the pressure built up in the high-pressure hose may lead to the engine continuing to behave as if it is seized or locked up. Once you have relieved the pressure, try to start the engine again.
If your problem persists, please contact Customer Service at 1-877-362-4271 or cservice@fna-group.com. To locate your nearest authorized service center, click here.
No, only use the cold-water hose bib or spigot on your house with the pressure washer. Cold water helps to cool the pump. Hot water can damage a cold-water pressure washer pump.
Please contact Customer Service at 1-877-362-4271 or cservice@fna-group.com for help with addressing your product concerns. If common troubleshooting does not solve your product’s problem, we will help direct you to your nearest authorized service center. You can also use our online Service Locator to locate your nearest authorized service center. Once an authorized service center inspects your product, finds that your product meets our warranty terms and conditions, and you have the required proof of purchase showing you are within your warranty period, then your warranty claim will be approved and your product will have warranty work performed. The authorized service center will work directly with Simpson as needed for advanced troubleshooting, technical diagnostics, and any potential parts needed.
When a machine claims 4,000 PSI, how do you know it’s real? CETA independently tests and certifies performance — the ratings on every SIMPSON Pro Series machine are verified by a third party, not marketing.
The SIMPSON Superior Pro Grade Warranty goes beyond the industry standard 3-year warranty. With our 5-year engine, 5-year pump, and 10-year frame warranty, you get long-term protection designed to give you peace of mind, added confidence, and protection you can count on.
Limited warranty. See product manual for details.
