WattFlo Pressure Washer, Power Washer with 500ml Foam vs Westinghouse PWSC12 12" Pressure Washer Surface
Updated August 2026 — WattFlo Pressure Washer, Power Washer with 500ml Foam leads on weight and hose length.
The Pressure Washer by WattFlo offers a complete cleaning solution with high flow rates and versatility, while the Westinghouse attachment is a cost-effective option for enhancing existing pressure washers.
Why WattFlo Pressure Washer, Power Washer with 500ml Foam is better
Complete System
Offers a standalone pressure washing solution.
Versatility
Includes multiple nozzles for different surfaces.
Foam Cannon
Comes with a foam cannon for car detailing.
Why Westinghouse PWSC12 12" Pressure Washer Surface is better
Price
Significantly cheaper than the Pressure Washer.
Compact Design
Lightweight and easy to store.
Surface Cleaning
Specialized for efficient flat surface cleaning.
Overall score
Specifications
| Spec | WattFlo Pressure Washer, Power Washer with 500ml Foam | Westinghouse PWSC12 12" Pressure Washer Surface |
|---|---|---|
| Max PSI | N/A | 2500 |
| Flow Rate | 2.5 GPM | N/A |
| Nozzles | 4 | N/A |
| Foam Cannon | Yes | No |
| Compatibility | N/A | 1/4" Quick Connect |
Dimension comparison
Overview of the Products
When comparing the Pressure Washer by WattFlo and the Westinghouse PWSC12 surface cleaner attachment, each product serves a different purpose in the pressure washing realm. The Pressure Washer is a standalone unit that offers a complete cleaning solution, while the Westinghouse attachment enhances the capability of existing pressure washers. Priced at $89.99, the Pressure Washer is positioned as a versatile tool for various cleaning tasks, whereas the Westinghouse attachment retails at $26.09, making it a cost-effective addition for those who already own a compatible pressure washer.
Cleaning Power and Efficiency
The WattFlo Pressure Washer boasts a maximum flow rate of 2.5 gallons per minute (GPM), which is essential for tackling tough cleaning tasks efficiently. This high flow rate enables users to quickly blast away mud and grime from multiple surfaces, including driveways and vehicles. In contrast, the Westinghouse surface cleaner attachment can handle up to 2500 PSI, allowing it to deliver powerful cleaning results on flat surfaces such as decks and patios. While the pressure washer emphasizes flow rate for cleaning volume, the surface cleaner focuses on pressure for effective dirt removal, making them complementary options for serious cleaning enthusiasts.
Versatility of Use
The Pressure Washer comes with four quick-connect nozzles (0°, 15°, 25°, and 40°), allowing users to easily switch between different spray patterns suited for various surfaces. This versatility is ideal for anyone looking to clean everything from delicate car exteriors to stubborn concrete stains. On the other hand, the Westinghouse surface cleaner attachment is designed specifically for flat surfaces, providing a 12-inch wide cleaning path that can significantly reduce cleaning time for larger areas. While the Pressure Washer is versatile across different applications, the surface cleaner excels in optimizing cleaning efficiency on specific surfaces.
Design and Portability
In terms of design, the Pressure Washer features a compact build with onboard storage for nozzles and the foam cannon, making it easy to store and transport. It includes a 23-foot pressure hose and a 16.5-foot power cord, allowing users to clean large areas without frequently repositioning the unit. The Westinghouse surface cleaner attachment, meanwhile, is lightweight and easy to store, designed for quick attachment to compatible pressure washers through a 1/4" quick-connect fitting. While both products are designed with portability in mind, the Pressure Washer offers a more comprehensive cleaning experience on its own.
Accessories and Compatibility
The Pressure Washer includes a 500ml foam cannon, enhancing its capabilities for car detailing by producing thick foam that helps prevent scratches during washing. This feature caters well to car enthusiasts seeking professional-level results at home. Conversely, the Westinghouse surface cleaner attachment is compatible with most gas and electric pressure washers that have a 1/4" connection, making it a versatile addition to an existing toolkit. Buyers of the Pressure Washer benefit from included accessories, while those with existing pressure washers may find the Westinghouse attachment a valuable upgrade.
Price Comparison
The Pressure Washer is priced at $89.99, while the Westinghouse surface cleaner attachment is available for $26.09. This makes the attachment about 71% cheaper than the Pressure Washer, which may attract budget-conscious consumers looking to enhance their existing setup without a substantial investment. While both products offer distinct advantages, the significant price difference could influence purchasing decisions depending on whether the buyer needs a complete pressure washing system or simply an attachment.
Customer Reception and Popularity
The Pressure Washer has a sales rank of 12,937, indicating a moderate level of popularity among consumers. In comparison, the Westinghouse surface cleaner attachment has a better sales rank at 2,679, suggesting it is a favored choice for those looking to enhance their cleaning capabilities. The difference in sales ranks may reflect the specific needs and preferences of consumers—those new to pressure washing might opt for the complete unit, while seasoned users often seek efficient attachments for their existing equipment.
Which should you buy?
Choosing between the Pressure Washer by WattFlo and the Westinghouse PWSC12 surface cleaner attachment ultimately depends on individual needs. If you are looking for a complete pressure washing solution that offers high flow rates, multiple nozzles, and a foam cannon for car detailing, the Pressure Washer is the better choice. However, if you already own a compatible pressure washer and want to improve your surface cleaning efficiency at a significantly lower price, the Westinghouse attachment is an excellent option. Consider your cleaning tasks and existing equipment before making your decision.

