A-iPower PWF4200SH (Discontinued)
The A-iPower PWF4200SH is a gas-powered pressure washer offering a maximum water pressure of 4200 PSI and flow of 4 GPM. (Read full specs)
This product has been discontinued. We've kept this page live for reference.
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Description
The PWF4200SH delivers 4200 PSI and 4 GPM for maximum surface cleaning power. Perfect for removing dirt and grime while restoring decks, sidewalks, siding, patios, porches, driveways, and vehicles.
Zoom on the A-iPower PWF4200SH
The A-iPower PWF4200SH is a heavy duty, commercial pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:
- targeted spot cleaning for hard, unpainted surfaces, reaching elevated areas, and thoroughly removing stubborn stains
- overall cleaning of hard surfaces, washing vehicles, and prepping surfaces for painting
- gentle cleaning for sensitive surfaces, and wide coverage cleaning with low pressure
- utilizing cleaning solutions, and rinsing surfaces clean
Ahead are presented its power characteristics and design, its main features and any other additional features.
Power
With an impressive 420cc (13 hp) engine, its brass triplex pump delivers a pressure of 4200 PSI (roughly 70 times more than a standard garden hose) and a flow of up to 4 GPM (values claimed by the manufacturer), resulting in the A-iPower PWF4200SH's cleaning power of 16800 Cleaning Units.
Initiating the Senci SC420 engine of this gas pressure washer is achieved through a classic pull-start process.
Fuel for the pressure washer is housed in a tank capable of holding up to 1.7 gallon of gasoline.
Design & Handling
Designed with a wheelbarrow configuration, the A-iPower PWF4200SH ensures improved mobility and stability, allowing for effortless movement and reliable operation on challenging surfaces. The durable steel frame of the assembly ensures its longevity, providing stability and shielding internal components from damage, even in tough conditions. The reversible handle offers further versatility, as its different positions make the unit less bulky when stored.
At 132 lbs, we can't really say that the unit is lightweight, and manually lifting or transporting it could be a significant challenge for users, especially if they need to move it frequently or navigate over uneven terrain. Its 420cc Senci SC420 engine, the triplex pump and steel frame are mainly responsible for its heavy weight. Nevertheless, with its two 12" never-flat wheels, users can manage the PWF4200SH with less difficulty, even over uneven terrain.
Main Features
The A-iPower PWF4200SH's package includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, with a more detailed description below.
- Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. Connection of a soap nozzle triggers the pressure washer to automatically incorporate the detergent into the water stream.
- Pressure hose: For easy organization, the included 50 ft high-pressure hose can be stored on the unit using a set of convenient hooks when it's not in use, ensuring a clutter-free workspace.
- Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its wand.
- Nozzles: The following table provides information on the 5 included nozzles and their recommended surface uses.
0° | 15° | 25° | 40° | Soap | |
|---|---|---|---|---|---|
| Concrete, brick, masonry | |||||
| Siding, gutters, house | |||||
| Fencing, deck, patio | |||||
| Lawn equipment, boat, RV |
Please be aware: The shapes of the depicted nozzles are for illustration purposes and may differ. Symbols utilized include a indicating 'Not recommended,' a for 'Suitable,' and an for 'Use with caution.'
Other Features
- Onboard storage: The A-iPower PWF4200SH allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
- Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation) and a low oil protection.
- Accessories: The A-iPower PWF4200SH comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get tool kit, spray gun, nozzle cleaner, pressure hose, funnel, soap hose, wand and oil.
The A-iPower PWF4200SH's performance versus other pressure washers
The following charts are provided to give you an idea of how the key specs of the A-iPower PWF4200SH compared to similarly priced pressure washers.
This unit is now discontinued, but used to be sold around $790.
- Delivering a maximum pressure of 4200 PSI, the A-iPower PWF4200SH was one of the gas-powered products renowned for above-average water pressure output, in the $700 to $800 price range. If you're seeking the strongest water stream, look no further than the Powerhorse 115179, which delivers an impressive 4400 PSI.
- In the aforementioned price range, the 4 GPM (gallons per minute) of this washer made it one of the better performing units in terms of the delivered volume of water. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the Powerhorse 115179, with 4.2 GPM.
- The PWF4200SH, which reaches up to 16800 Cleaning Units (PSI X GPM) was one of the more efficient, in comparison to its similarly priced counterparts. When considering the importance of superior cleaning power, the Powerhorse 115179 stands out with its 18480 Cleaning Units, boasting one of the highest cleaning efficiencies among similarly priced units.
The bottom line
- Triplex pump
- Designed to be stable
- Good range of nozzles included
- Onboard storage
- Several security features
- High PSI for the price
- High GPM for the price
- High CU for the price
- No soap tank
Features and Specifications
| Fuel | Gas-Powered |
|---|---|
| Engine | 420cc 13 HP Senci SC420 OHV 4-stroke |
| Pump | Annovi Reverberi Triplex |
| Water | Cold |
| PSI | 4200 |
| GPM | 4 |
| Cleaning Units | 16800 |
| Pressure control | Valve |
| Frame | Steel |
|---|---|
| Pump material | Brass |
| Handling | Wheelbarrow |
| Wheels | 2 wheels, ⌀12", never flat |
| Weight | 132 lbs |
| Dimensions | Approx. 39.3 x 26 x 25.5 in (L x W x H) |
| Hose storage | Hooks |
| Soap injection | Via siphon hose |
|---|---|
| Nozzles | 0°, 15°, 25°, 40°, Soap |
| Quick connect nozzles | Yes |
| Onboard storage | Yes |
| Hose | 50 ft |
| Security | Low oil and trigger lock |
|---|---|
| Emissions | CARB, EPA |
| Included accessories | Oil, funnel, tool kit, nozzle cleaner, wand, spray gun, high pressure hose, soap hose, 5 nozzles |
| Warranty | 2 years |
| UPC | 850013862306 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
About A-iPower
A-iPower, which stands for American Innovation, is a subsidiary of SENCI Electric Mechanical Co. Ltd. Headquartered in Ontario, California, they have an engineering office in Charlotte, NC, and technical and distribution center in Milwaukee, WI. For almost 30 years, A-iPower has been dedicated to providing excellent customer service and product solutions for a wide range of consumer and commercial power generation equipment. They offer portable generators, pressure washers, gasoline engines, and water pumps for the professional trade and homeowners.
Warranty Information
The A-iPower PWF4200SH is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of A-iPower pressure washers, please contact the A-iPower Customer Support: 1-855-888-3598.


