MJJC Foam Cannon S V3.0 with 1/ vs Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI
Updated July 2026 — Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI leads on power and price.
The Westinghouse WPX3400 offers superior cleaning power and versatility compared to the MJJC Foam Cannon S V3.0. For those needing a robust pressure washer, the WPX3400 is the clear choice.
Why MJJC Foam Cannon S V3.0 with 1/ is better
Price
MJJC is significantly cheaper at $86.99.
Foam Quality
MJJC excels in producing thick foam for car washing.
Ease of Maintenance
MJJC requires minimal maintenance.
Why Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI is better
Cleaning Power
WPX3400 delivers 3400 PSI for deep cleaning.
Versatility
WPX3400 can handle various surfaces and tasks.
Durability
WPX3400 has a robust steel frame construction.
Overall score
Specifications
| Spec | MJJC Foam Cannon S V3.0 with 1/ | Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI |
|---|---|---|
| PSI | 1300-3600 | 3400 |
| GPM | 0.34 | 2.6 |
| Nozzles | N/A | 5 |
| Tank Size | N/A | 1 Gallon |
| Weight | 2.5 lbs | 50 lbs |
Dimension comparison
Design and Build Quality
The MJJC Foam Cannon S V3.0 is designed specifically for use with pressure washers, featuring a robust plastic body that facilitates the creation of thick foam. In contrast, the Westinghouse WPX3400 Gas Pressure Washer boasts a tough steel frame construction, making it suitable for heavy-duty cleaning across various surfaces. While the foam cannon is lightweight and portable, the pressure washer comes with 12-inch high-profile, never-flat wheels for enhanced maneuverability. The MJJC product, priced at $86.99, is tailored for foam application, while the WPX3400, at $349.00, is built for power and versatility in tackling tough cleaning tasks.
Performance and Capability
When it comes to performance, the Westinghouse WPX3400 outshines the MJJC Foam Cannon S V3.0 in terms of cleaning power. With a powerful output of 3400 PSI and 2.6 gallons per minute (GPM), this gas pressure washer is engineered for deep cleaning various surfaces, such as decks, sidewalks, and vehicles. The MJJC Foam Cannon, while effective for creating thick foam, requires a compatible pressure washer to operate, functioning optimally within a pressure range of 1300 to 3600 PSI. Thus, while the foam cannon excels in enhancing foam application, the WPX3400 is designed to deliver a more substantial cleaning experience.
Versatility and Application
The Westinghouse WPX3400 Gas Pressure Washer offers greater versatility thanks to its onboard soap tank and multiple nozzle options. It includes five quick-connect nozzles that allow users to adjust the spray pattern for different cleaning tasks. This makes it suitable for a wide range of applications, from cleaning cars to patios and driveways. On the other hand, the MJJC Foam Cannon S V3.0 is primarily focused on producing foamy lather for car washes and is dependent on the pressure washer's capabilities. While the foam cannon can enhance the washing experience, it lacks the all-round utility of the WPX3400, which can handle a variety of surfaces and dirt types.
Ease of Use
Both the MJJC Foam Cannon S V3.0 and the Westinghouse WPX3400 are designed with user convenience in mind, yet they cater to different needs. The foam cannon features a 1/4-inch quick connector that allows for easy attachment to compatible pressure washers, and the design includes a straw tube that helps consume every bit of liquid in the bottle. Conversely, the WPX3400 comes with a lightweight high-pressure spray gun, a long 25-foot hose, and an easy-to-fill 1-gallon gas tank, making it user-friendly for extensive cleaning sessions. While the foam cannon is straightforward for foam application, the WPX3400's design facilitates quick and efficient cleaning without frequent refills.
Maintenance and Durability
In terms of maintenance, the MJJC Foam Cannon S V3.0 is quite easy to maintain, requiring little more than rinsing after use. This simplicity is a significant advantage for users who frequently wash their vehicles. On the other hand, the Westinghouse WPX3400 Gas Pressure Washer is equipped with a maintenance-free axial cam pump, which means less worry about upkeep. However, it is essential to remember that gas-powered equipment typically requires more care than a foam cannon in terms of fuel and engine maintenance. The WPX3400's durability, backed by a 3-year limited manufacturer service, ensures long-lasting performance, making it a more reliable option for heavy use.
Pricing and Value
When comparing pricing, the MJJC Foam Cannon S V3.0 is significantly cheaper at $86.99, making it an economical choice for those who already own a compatible pressure washer. In contrast, the Westinghouse WPX3400 is priced at $349.00, which is about 300% more than the foam cannon. However, the higher cost of the WPX3400 can be justified by its powerful performance and versatility, allowing it to perform a wider variety of cleaning tasks effectively. Value ultimately depends on the user's needs: those seeking simple foam application may find the MJJC more appealing, while those needing a full-fledged pressure washer will appreciate the capabilities of the WPX3400.
Customer Reception and Popularity
The MJJC Foam Cannon S V3.0 currently ranks 9,898 in sales, reflecting a niche but dedicated customer base focused on car detailing and foam washing. In contrast, the Westinghouse WPX3400 has a much higher sales rank of 695, indicating strong popularity and trust among consumers looking for effective pressure washing solutions. This popularity can be attributed to its robust build and efficiency in cleaning. Users often appreciate the ease of use and versatility that the WPX3400 brings, while the MJJC Foam Cannon appeals to a specific audience who values foam quality for car care.
Which should you buy?
Choosing between the MJJC Foam Cannon S V3.0 and the Westinghouse WPX3400 Gas Pressure Washer ultimately depends on your specific cleaning needs. If you are looking for an affordable solution primarily for car washing that produces thick foam, the MJJC Foam Cannon is an excellent choice at $86.99. However, if you require a powerful, versatile pressure washer capable of tackling various surfaces and cleaning tasks, the Westinghouse WPX3400, although significantly more expensive at $349.00, offers exceptional performance and reliability. Assess your requirements and budget to make the best decision for your cleaning projects.

