Simpson Cleaning Universal 16.5" Pressure Washer vs Westinghouse ePX3500 Electric Pressure Washer,
Updated July 2026 — Simpson Cleaning Universal 16.5" Pressure Washer wins on max psi and max gpm, Westinghouse ePX3500 Electric Pressure Washer, wins on weight and length.
The Simpson Cleaning Universal Surface Cleaner offers superior pressure and efficiency for large areas, while the Westinghouse ePX3500 provides versatility and convenience for household tasks.
Why Simpson Cleaning Universal 16.5" Pressure Washer is better
Higher Pressure
Simpson has a max pressure of 4000 PSI compared to Westinghouse's 2500 PSI.
Better Coverage
Simpson's design allows for 10X more coverage than standard nozzles.
Durable Materials
Simpson features stainless steel construction for enhanced durability.
Why Westinghouse ePX3500 Electric Pressure Washer, is better
Compact Design
Westinghouse is lightweight and easy to store.
Onboard Soap Tank
Westinghouse includes a 20-ounce soap tank for added cleaning power.
Versatile Nozzles
Westinghouse comes with five quick-connect nozzles for various applications.
Overall score
Specifications
| Spec | Simpson Cleaning Universal 16.5" Pressure Washer | Westinghouse ePX3500 Electric Pressure Washer, |
|---|---|---|
| Construction | Stainless Steel | Steel |
| Quick Connect | 1/4 inch | Quick-Connect |
| Nozzle Options | 1 | 5 |
| Soap Tank | No | Yes |
| Cleaning Area | Large | Medium |
Dimension comparison
Overview of the Simpson Cleaning Universal 16.5" Pressure Washer Surface Cleaner
The Simpson Cleaning Universal 16.5" Pressure Washer Surface Cleaner is designed for efficiency and ease of use. With a price of $99.00, this surface cleaner is an economical choice for those looking to tackle large areas like driveways and patios. It boasts a maximum pressure of 4000 PSI, making it suitable for various cleaning tasks. The stainless steel construction enhances durability and resistance to corrosion, ensuring it lasts through numerous cleaning jobs.
This surface cleaner features two high-pressure, rotating jets that provide 10 times more coverage than a standard nozzle. This means users can clean vast surfaces more quickly and effectively. Additionally, its 1/4-inch quick connection ensures compatibility with most gas-powered pressure washers rated between 2000 PSI and 4000 PSI, making it a versatile addition to any cleaning arsenal.
Overview of the Westinghouse ePX3500 Electric Pressure Washer
The Westinghouse ePX3500 Electric Pressure Washer offers powerful cleaning capabilities at a competitive price of $169.00. It delivers a maximum pressure of 2500 PSI and a maximum flow rate of 1.76 GPM, making it effective for various household surfaces, including cars and patios. This pressure washer is designed with anti-tipping technology and a low center of gravity, which enhances its stability during operation.
Weighing only 19 pounds and standing at 16.5 inches tall, the ePX3500 is compact and easy to store. It includes a 20-ounce onboard soap tank, allowing users to add detergents for tougher stains. The pro-style wand with five quick-connect nozzles adds versatility, making it suitable for different cleaning needs. With a bestseller rank of 154, it’s clear that this product is popular among consumers.
Performance Comparison
When it comes to performance, the Simpson Cleaning Universal Surface Cleaner excels in coverage and efficiency. Capable of reaching up to 4000 PSI, it significantly outperforms the Westinghouse ePX3500, which has a maximum pressure of 2500 PSI. This means that for large cleaning tasks, the Simpson can complete jobs faster due to its higher pressure capabilities.
However, the Westinghouse’s 1.76 GPM flow rate means it can still provide substantial cleaning power for regular household tasks. The ePX3500's design, featuring a pro-style wand and multiple nozzle options, enhances its versatility for various applications. While the Simpson is highly efficient for larger surfaces, the Westinghouse offers a range of cleaning options tailored to different needs.
Ease of Use
The Simpson Cleaning Universal Surface Cleaner is designed with user-friendliness in mind. Its 1/4-inch quick connection allows for easy attachment to most gas-powered pressure washers, making setup a breeze. The included nozzle cleaning tool ensures that users can maintain optimal performance over time.
In contrast, the Westinghouse ePX3500 emphasizes portability and convenience with its lightweight design and compact structure. The 25-foot easy-coil hose and onboard soap tank make it straightforward to use without needing additional equipment. Furthermore, its anti-tipping technology allows for smooth maneuverability, making it easier to operate while cleaning a variety of surfaces.
Durability and Construction
Durability is a strong suit for both products, but they approach it differently. The Simpson Cleaning Universal Surface Cleaner features a stainless steel shroud and nozzles, which offer protection against corrosion and enhance the tool's long-term usability. This robust construction is ideal for heavy-duty cleaning tasks and ensures a longer lifespan.
On the other hand, the Westinghouse ePX3500 is designed for durability as well, with a focus on lightweight materials that do not compromise strength. Its pro-style steel wand adds to its longevity while being easy to handle. Both products are built to withstand regular use, but the Simpson's stainless steel components may provide an edge in more demanding environments.
Additional Features
The Simpson Cleaning Universal Surface Cleaner includes features that enhance its cleaning capabilities, such as two high-pressure rotating jets that provide streak-free results and cover more area in less time. Its nozzle cleaning tool is a valuable addition for maintaining performance.
Meanwhile, the Westinghouse ePX3500 comes equipped with a 20-ounce onboard soap tank, which allows users to mix detergents for tougher cleaning tasks. The five quick-connect nozzles enable users to easily switch between different spray patterns, making this pressure washer versatile for various applications. These additional features make each product uniquely suited to different cleaning scenarios.
Price Comparison
In terms of pricing, the Simpson Cleaning Universal Surface Cleaner is significantly more affordable at $99.00 compared to the Westinghouse ePX3500, which is priced at $169.00. This represents a price difference of about 43%, making the Simpson a better choice for budget-conscious buyers looking for efficient surface cleaning solutions.
However, it’s important to consider the value that each product delivers at its price point. The Westinghouse offers a comprehensive cleaning experience with its electric power, making it a good investment for users who value convenience and versatility over bare-bones cost.
Which should you buy?
Choosing between the Simpson Cleaning Universal 16.5" Pressure Washer Surface Cleaner and the Westinghouse ePX3500 Electric Pressure Washer ultimately depends on your specific needs. If you require a powerful tool for large surface areas and value efficiency, the Simpson is a strong candidate with its high PSI rating and durable construction. However, if you're looking for a compact, versatile electric option for household cleaning, the Westinghouse offers great features and convenience, albeit at a higher price.

