MJJC Foam Cannon S V3.0 with 1/ vs Westinghouse ePX3100v Electric Pressure Washer,
Updated August 2026 — MJJC Foam Cannon S V3.0 with 1/ wins on foam quality, Westinghouse ePX3100v Electric Pressure Washer, wins on portability and features.
The MJJC Foam Cannon S V3.0 excels in foam production for car washing, while the Westinghouse ePX3100v offers versatile cleaning capabilities for various surfaces.
Why MJJC Foam Cannon S V3.0 with 1/ is better
Price
MJJC is $32 cheaper
Foam Quality
Superior foam production for car washing
Weight
Lighter than Westinghouse
Why Westinghouse ePX3100v Electric Pressure Washer, is better
Versatility
Can clean multiple surfaces effectively
Pressure
Higher max PSI for tougher jobs
Support
3-year warranty for peace of mind
Overall score
Specifications
| Spec | MJJC Foam Cannon S V3.0 with 1/ | Westinghouse ePX3100v Electric Pressure Washer, |
|---|---|---|
| Price | $86.99 | $119.00 |
| Foam Type | Thicker | Detachable |
| Connector | 1/4 inch | Quick Connect |
| Pump Type | Manual | Automatic |
| Cleaning Tasks | Car Washing | Multi-Surface |
Dimension comparison
Overview of the Products
The MJJC Foam Cannon S V3.0 is priced at $86.99, while the Westinghouse ePX3100v Electric Pressure Washer costs $119.00, making the MJJC about 27% cheaper. The MJJC Foam Cannon focuses on delivering superior foam for car washing, while the Westinghouse pressure washer offers a more comprehensive cleaning solution for various surfaces like driveways and patios. Each product serves a different purpose in the cleaning arsenal, appealing to different user needs.
Design and Build Quality
The design of the MJJC Foam Cannon S V3.0 emphasizes functionality with its thicker snow foam technology and a 34 oz bottle. It's engineered for high-pressure washers, operating between 1300 psi and 3600 psi, and comes with a 1/4 inch quick connector for easy attachment. In contrast, the Westinghouse ePX3100v is compact and lightweight, weighing only 18 pounds and featuring a built-in carry handle for easy transportation. While the MJJC focuses on foam production, the Westinghouse is engineered for versatility, providing a pro-style gun and three quick-connect spray tips.
Performance and Efficiency
The MJJC Foam Cannon S V3.0 excels in creating a thick, creamy foam that enhances cleaning performance. It is specifically designed to work best with MJJC's foam gun shampoo, which optimizes foam production. On the other hand, the Westinghouse ePX3100v delivers a maximum of 2100 PSI and 1.76 GPM, making it effective for various cleaning tasks. The pressure washer's Total Stop System conserves energy by stopping the pump when the trigger is not engaged, extending the pump's life. Each product, therefore, shines in its respective area: the MJJC in foam creation and the Westinghouse in general cleaning efficiency.
Ease of Use
The MJJC Foam Cannon S V3.0 is designed to be user-friendly, featuring a straw tube that helps in utilizing all the liquid in the bottle and an improved structure for better control of the foam spray. The quick connector also simplifies attachment to pressure washers. Meanwhile, the Westinghouse ePX3100v boasts a 20-foot nylon braided hose and a detachable foam cannon, enhancing its usability for various tasks. Its lightweight design and built-in handle make it easy to transport, which is beneficial for users frequently on the move. Both products prioritize user convenience but cater to different cleaning processes.
Versatility
The MJJC Foam Cannon S V3.0 is primarily focused on providing an exceptional foam experience, making it ideal for car enthusiasts who want a superior wash. However, it may not be as versatile for other cleaning tasks outside of car detailing. In contrast, the Westinghouse ePX3100v is built for versatility, capable of handling various surfaces including driveways, fences, and patios. Its three-nozzle set allows users to choose the pressure best suited for their specific cleaning needs. Therefore, while the MJJC excels in specialized foam application, the Westinghouse offers a broader range of applications.
Maintenance and Support
Both products come with considerations for maintenance and user support. The MJJC Foam Cannon S V3.0 is straightforward, requiring minimal upkeep as long as it is used with the appropriate soap. However, the Westinghouse ePX3100v provides a more robust support framework with a three-year limited service, labor, and parts coverage, ensuring that users have access to help if issues arise. This extensive support may be particularly appealing to users looking for long-term reliability in their cleaning equipment.
Price Comparison
The MJJC Foam Cannon S V3.0 is priced at $86.99, making it a more budget-friendly option compared to the Westinghouse ePX3100v, which costs $119.00. This price difference of about $32 indicates a significant cost for those who primarily need a foam cannon for car washing. However, the Westinghouse offers extensive capabilities as a multi-surface cleaner, which might justify its higher price for users needing versatility. Thus, the price may reflect the range of tasks each product can perform.
Which should you buy?
Choosing between the MJJC Foam Cannon S V3.0 and the Westinghouse ePX3100v depends on your specific cleaning needs. If you are looking for the best foam cannon primarily for car washing, the MJJC is a strong contender due to its advanced foam technology and lower price. Conversely, if you require a robust pressure washer capable of tackling a variety of surfaces, the Westinghouse ePX3100v is the superior choice. Each product caters to distinct user requirements, making the decision largely dependent on whether your focus is on foam generation or overall cleaning versatility.

