Simpson Pressure Washers: The Ultimate Guide to Professional Cleaning Power
Why Simpson is the Go-To Brand for Contractors and Homeowners
For heavy-duty cleaning tasks ranging from concrete restoration to fleet washing, Simpson pressure washers deliver unmatched durability and performance. Whether you're a professional contractor or serious DIYer, Simpson's commercial-grade engines and industrial pumps provide the reliability and power needed for tough jobs.
This comprehensive guide covers:
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Simpson's complete pressure washer lineup (gas, electric, hot water)
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Key features that set Simpson apart from competitors
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How to choose the right model for your needs
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Maintenance best practices to maximize equipment lifespan
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Real-world applications for different industries
Simpson Pressure Washer Series
1. Gas-Powered Pressure Washers
✔ Best for: Heavy-duty outdoor cleaning
✔ PSI Range: 2,800-4,400 PSI
✔ GPM Flow: 2.5-4.0 GPM
✔ Top Models:
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Simpson MSH3125 (3,200 PSI, Honda engine)
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Simpson MSH4125 (4,200 PSI, professional grade)
Perfect for: Contractors, fleet washing, concrete cleaning
2. Electric Pressure Washers
✔ Best for: Light-duty residential use
✔ PSI Range: 1,300-2,000 PSI
✔ GPM Flow: 1.2-1.6 GPM
✔ Featured Model:
Simpson CLEANING PS2228 (1,900 PSI, ultra-quiet)
Ideal for: Decks, patios, vehicles
3. Hot Water Pressure Washers
✔ Temperature Range: 140°F-210°F
✔ Best for: Grease/oil removal
✔ Industrial Model:
Simpson SLS6033 (3,000 PSI @ 200°F)
Simpson vs. Competitors: Professional Comparison
Feature |
Simpson MSH4125 |
Generac 6923 |
DeWalt DXPW4440 |
PSI/GPM |
4,200/4.0 |
3,200/2.8 |
4,400/4.0 |
Engine |
Honda GX390 |
Generac OHV |
DeWalt OHV |
Pump |
AAA Triplex |
Axial Cam |
Triplex |
Warranty |
2 years |
2 years |
3 years |
Price |
$$$$ |
$$$ |
$$$$ |
Why Professionals Choose Simpson:
✔ Commercial-grade Honda engines (on most models)
✔ Industrial AAA pumps (3x longer life than consumer pumps)
✔ All-metal construction (no plastic components)
✔ Easy-access maintenance points
How to Choose the Right Simpson Pressure Washer
1. Determine Your Cleaning Needs
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Light duty (decks, cars): 1,800-2,200 PSI
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Medium duty (driveways, siding): 2,800-3,200 PSI
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Heavy duty (concrete, graffiti): 3,500+ PSI
2. Consider Power Source
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Gas: More power, portable
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Electric: Quieter, no fumes
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Hot water: Best for grease/oil
3. Evaluate Mobility Needs
Simpson Maintenance Checklist
After Each Use:
Monthly:
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Check oil levels
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Clean air filter
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Inspect spray wand
Annually:
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Replace pump oil
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Check/replace O-rings
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Professional tune-up
Pro Cleaning Techniques
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Start with a wide nozzle (40°) and move closer as needed
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Keep the wand moving to prevent surface damage
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Pre-treat grease with appropriate chemicals
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Work top-to-bottom on vertical surfaces
Safety Features You'll Appreciate
✔ Thermal relief valve (prevents overheating)
✔ Automatic shutoff if trigger released
✔ Ground fault protection (electric models)
✔ Locking gun trigger
Need Expert Advice? Our Pressure Washing Specialists Can Help - Contact Us.