WattFlo Pressure Washer, Power Washer with 500ml Foam vs Simpson Cleaning Universal 16.5" Pressure Washer
Updated August 2026 — WattFlo Pressure Washer, Power Washer with 500ml Foam wins on hose length and weight, Simpson Cleaning Universal 16.5" Pressure Washer wins on surface area and price.
The WattFlo Pressure Washer offers more versatility with its foam cannon and multiple nozzles, while the Simpson Surface Cleaner excels in efficiency for larger areas.
Why WattFlo Pressure Washer, Power Washer with 500ml Foam is better
Versatility
Includes foam cannon and multiple nozzles
Price
Lower price at $89.99
User Experience
Onboard storage for accessories
Why Simpson Cleaning Universal 16.5" Pressure Washer is better
Efficiency
Cleans larger areas faster with dual jets
Build Quality
Stainless steel construction for durability
Coverage
10X more coverage than standard nozzles
Overall score
Specifications
| Spec | WattFlo Pressure Washer, Power Washer with 500ml Foam | Simpson Cleaning Universal 16.5" Pressure Washer |
|---|---|---|
| Max PSI | N/A | 4000 |
| GPM | 2.5 | 4.0 |
| Material | Plastic | Stainless Steel |
| Quick Connect | Yes | Yes |
| Cleaning Method | Foam Cannon | Rotating Jets |
Dimension comparison
Overview of the Products
When it comes to pressure washers, the WattFlo Pressure Washer and the Simpson Cleaning Universal Surface Cleaner are both exceptional choices, each catering to different cleaning needs. The WattFlo Pressure Washer, priced at $89.99, is designed for versatility with its foam cannon and multiple nozzles, while the Simpson Surface Cleaner, offered at $99.00, focuses on efficiency with its large cleaning surface and high-pressure jets. The difference in price is about 1%, making them closely matched in cost.
Cleaning Capabilities
The WattFlo Pressure Washer boasts a maximum flow rate of 2.5 GPM, providing the water volume needed for thorough cleaning tasks. This powerful feature allows users to tackle various surfaces, from driveways to cars, effectively. On the other hand, the Simpson Surface Cleaner features two high-pressure rotating jets that enable streak-free cleaning, offering 10 times more coverage than standard nozzles. This efficiency makes it ideal for larger surfaces, saving time and effort during cleaning sessions.
Design and Build Quality
In terms of design, the WattFlo Pressure Washer is compact and easy to maneuver, with a bright green finish that stands out. It includes a 23 ft pressure hose and a 16.5 ft power cord, allowing users to move freely without needing to constantly reposition the unit. The Simpson Surface Cleaner, constructed with stainless steel, provides durability and is resistant to corrosion. Its 16.5-inch diameter enables quick cleaning of large areas, making it a robust option for heavy-duty tasks.
Versatility and Accessories
The WattFlo Pressure Washer comes with 4 quick-connect nozzles, providing versatility for various cleaning tasks. Each nozzle is suited for different surfaces, ensuring that users have the right tool for stubborn stains, delicate surfaces, and everything in between. In contrast, the Simpson Surface Cleaner is designed for use with gas-powered pressure washers, boasting compatibility with models that range from 2000 to 4000 PSI. While it may not offer the same variety of nozzles, it excels in providing a thorough clean for larger areas.
User Experience
Both products are designed with user convenience in mind. The WattFlo Pressure Washer features an onboard storage solution for its nozzles and foam cannon, making it easy to keep everything organized and accessible. The Simpson Surface Cleaner includes a nozzle cleaning tool, ensuring that performance remains high over time by preventing buildup. This thoughtful design consideration enhances the overall user experience, catering to both casual users and those who require more intensive cleaning solutions.
Pricing and Value
The WattFlo Pressure Washer is priced at $89.99, making it a slightly more cost-effective option compared to the Simpson Surface Cleaner at $99.00. While the price difference is marginal, the WattFlo offers a complete cleaning system with its foam cannon and multiple nozzles, which could provide more value for users looking for versatility. Conversely, the Simpson’s higher price reflects its specialized design for efficient large-surface cleaning, which may justify the cost for those needing to tackle extensive outdoor areas.
Performance and Efficiency
In terms of performance, the WattFlo Pressure Washer delivers a powerful cleaning experience with its maximum flow rate and foam cannon, making it ideal for car detailing and general home use. The Simpson Surface Cleaner, however, is built for efficiency with its dual jets, allowing for quicker coverage and deeper cleaning. Users looking for a fast and effective cleaning solution for expansive surfaces may find the Simpson to be the superior choice, while those focused on versatility may prefer the WattFlo.
Which should you buy?
In conclusion, choosing between the WattFlo Pressure Washer and the Simpson Cleaning Universal Surface Cleaner ultimately depends on your specific cleaning needs. If you require a versatile unit for a variety of tasks, the WattFlo offers a comprehensive solution with its foam cannon and multiple nozzles at a lower price. However, if your focus is on efficiency and tackling larger areas quickly, the Simpson Surface Cleaner is an excellent investment, thanks to its high-pressure design and stainless steel construction. Consider what features matter most to you to make the best choice.

