WattFlo Pressure Washer, Power Washer with 500ml Foam vs Westinghouse ePX3100v Electric Pressure Washer,
Updated August 2026 — Westinghouse ePX3100v Electric Pressure Washer, leads on features and power.
The Westinghouse ePX3100v offers superior power and energy efficiency, making it the better choice for heavy-duty cleaning tasks.
Why WattFlo Pressure Washer, Power Washer with 500ml Foam is better
Price
WattFlo is $29.01 cheaper
Flow Rate
WattFlo has a higher flow rate at 2.5 GPM
Nozzle Variety
WattFlo offers four quick-connect nozzles
Why Westinghouse ePX3100v Electric Pressure Washer, is better
Power
Westinghouse delivers 2100 PSI
Weight
Westinghouse is lighter at 18 pounds
Warranty
Westinghouse has a 3-year warranty
Overall score
Specifications
| Spec | WattFlo Pressure Washer, Power Washer with 500ml Foam | Westinghouse ePX3100v Electric Pressure Washer, |
|---|---|---|
| Price | $89.99 | $119.00 |
| Max PSI | N/A | 2100 |
| Max GPM | 2.5 | 1.76 |
| Weight | 20 lbs | 18 lbs |
| Warranty | N/A | 3 years |
Dimension comparison
Overview of Pressure Washers
When it comes to effective cleaning, pressure washers are indispensable tools for tackling tough grime around the home. In this comparison, we look at the Pressure Washer by WattFlo and the Westinghouse ePX3100v Electric Pressure Washer. The WattFlo model is priced at $89.99, making it approximately 17% cheaper than the Westinghouse ePX3100v, which costs $119.00. Both models have garnered attention, with the WattFlo holding a sales rank of 12,937 and the Westinghouse ranking significantly higher at 837, indicating its popularity among consumers.
Power and Performance
The Westinghouse ePX3100v outshines its competitor in terms of power, delivering a maximum pressure of 2100 PSI and a flow rate of 1.76 GPM. In contrast, the WattFlo’s maximum flow rate is 2.5 GPM but does not specify its maximum PSI. This suggests that while the WattFlo has a higher GPM, the Westinghouse provides more concentrated cleaning power due to its higher PSI, making it better suited for heavy-duty tasks like removing oil and grease. Consumers looking for a powerful cleaning solution may find the Westinghouse more appealing.
Portability and Design
Portability is a strong suit for both pressure washers, but the Westinghouse ePX3100v takes the lead with its lightweight design, weighing in at just 18 pounds. It also features a built-in carry handle, making it easy to transport for various cleaning jobs. The WattFlo, while not significantly heavier, emphasizes its extended reach with a 23 ft pressure hose, which allows users to cover more area without needing to reposition the unit frequently. If portability is a priority, the Westinghouse’s compact and lightweight design might be the better choice.
Foam Cannon Features
Both models come equipped with foam cannons to enhance their cleaning capabilities, but they differ in their specifications. The WattFlo's 500ml foam cannon produces thick foam that lifts dirt effectively, especially for car detailing. The Westinghouse’s detachable foam cannon allows the addition of detergents, enhancing its cleaning power on various surfaces, including decks and driveways. While both foam cannons serve their purpose, the choice may boil down to user preference; those seeking a specialized car-cleaning experience might lean towards the WattFlo, while those needing versatility may prefer the Westinghouse.
Nozzle Options
The WattFlo offers a versatile cleaning experience with its four quick-connect nozzles, including options for 0°, 15°, 25°, and 40°. This variety allows users to adapt their cleaning approach based on the surface being cleaned. The Westinghouse ePX3100v includes three quick-connect spray tips, which also provide flexibility but with fewer options than the WattFlo. For users who value adaptability in their cleaning tasks, the WattFlo’s greater nozzle variety could be a significant advantage.
Energy Efficiency and Operation
Energy efficiency is a crucial factor for many consumers, and both models incorporate features to enhance their operational lifespan. The Westinghouse ePX3100v has a Total Stop System (TSS) that conserves energy by automatically stopping the pump when the trigger is not engaged. The WattFlo does not mention any specific energy-saving features. This makes the Westinghouse a more appealing option for environmentally conscious users or those looking to minimize electricity costs in the long run.
Customer Support and Warranty
When investing in a pressure washer, customer support and warranty are essential considerations. The Westinghouse ePX3100v is backed by a three-year limited service, labor, and parts coverage, which provides peace of mind for buyers. The WattFlo does not specify any warranty details. Having a robust warranty can be a significant factor for consumers, particularly when purchasing higher-priced models, as it indicates the manufacturer's confidence in their product.
Which should you buy?
In conclusion, the choice between the Pressure Washer by WattFlo and the Westinghouse ePX3100v Electric Pressure Washer largely depends on your specific needs. If you're looking for a more budget-friendly option with a high flow rate and versatile nozzle options, the WattFlo is a solid choice. However, if you prioritize power, portability, and comprehensive customer support, the Westinghouse ePX3100v, despite being more expensive, may offer better long-term value. Assess your cleaning tasks and preferences to make the best decision for your pressure washing needs.

