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A-iPower PWF4200SH - 4200 PSI 4 GPM 420cc Gas Pressure Washer

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)

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A-iPower PWF4200SH 4200PSI Gas Pressure WasherA-iPower PWF4200SH 4200PSI Gas Pressure WasherA-iPower PWF4200SH 4200PSI Gas Pressure WasherA-iPower PWF4200SH 4200PSI Gas Pressure Washer
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Features and Specifications

FuelGas-Powered
HandlingWheelbarrow
WaterCold
PSI4200
GPM4
Cleaning Units16800
Engine420cc 13 HP Senci SC420 OHV 4-stroke
PumpAnnovi Reverberi Triplex
Pump materialBrass
FrameSteel
Soap injectionVia siphon hose
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft
Hose storageHooks
Dimensions
(L x W x H)
Approx. 39.3 x 26 x 25.5 in
Weight132 lbs
Pressure controlValve
Wheels2 wheels, ⌀12", never flat
Included accessoriesOil, funnel, tool kit, nozzle cleaner, wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil and trigger lock
EmissionsCARB, EPA
Warranty2 years
UPC850013862306

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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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. (source: A-iPower (opens in a new tab))

Zoom on the A-iPower PWF4200SH

The A-iPower PWF4200SH, a heavy duty, commercial pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • spot cleaning of hard, unpainted surfaces, reaching high areas, and removing stubborn stains
  • overall cleaning of hard surfaces, washing vehicles, and prepping surfaces for painting
  • gentle cleaning of delicate surfaces, and low pressure cleaning of larger areas
  • using cleaning solutions, and rinsing surfaces to remove residue

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

The A-iPower PWF4200SH in use

The A-iPower PWF4200SH

Its brass triplex pump, which utilizes a powerful 420cc (13 hp) engine, may deliver a pressure of up to 4200 PSI (almost 70 times more than a standard garden hose) and a flow of up to 4 GPM. Corresponding to these values is a cleaning power of 16800 Cleaning Units.

For this gas-powered pressure washer, the Senci SC420 engine is started using a time-tested pull-start mechanism.

Gasoline is stored in a fuel tank with a maximum capacity of 1.7 gallon.

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. Guaranteeing longevity, the robust steel frame offers stability and protects internal components, even when subjected to demanding tasks. The reversible handle offers further versatility, as its different positions make the unit less bulky when stored.

Tipping the scales at 132 lbs, this unit's weight presents a notable challenge for users, especially when it comes to lifting and moving it, particularly over uneven ground. Its 420cc Senci SC420 engine, the triplex pump and steel frame add up to a large chunk of the device's weight. Despite this, the presence of two 12" never-flat wheels reduces the complexity of moving the PWF4200SH, even on rugged surfaces.

Main Features

Along with the A-iPower PWF4200SH itself, the package also includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are discussed in further detail below.

  • Soap injection: Detergent is fed in through a siphon hose, since the device lacks a soap tank. The detergent is automatically mixed with the water flow by the pressure washer when a soap nozzle is connected.
  • Pressure hose: When not in use, the unit allows for tidy storage of the included 50 ft high-pressure hose using a set of convenient hooks, ensuring convenient organization.
  • Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its wand.
  • Nozzles: Refer to the table below for details on the 5 included nozzles and their recommended surface applications.


15°

25°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionUse with cautionSuitable

Kindly note: The shapes of the nozzles depicted above are for illustrative purposes and may vary. Symbols indicate suitability, with a red cross signifying 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'

Other Features

The nozzles of the A-iPower PWF4200SH

The A-iPower PWF4200SH nozzles

  • Onboard storage: Stay prepared for any job with A-iPower PWF4200SH's handy storage area, which allows you to neatly store any nozzles and accessories which you may need for the job.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation) and a low oil protection.
  • Accessories: Included with the A-iPower PWF4200SH are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as oil, nozzle cleaner, tool kit, spray gun, soap hose, wand, funnel and pressure hose.

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 compare to similarly priced pressure washers.

  • With a maximum pressure of 4200 PSI, the A-iPower PWF4200SH is among the gas-powered options offering above-average water pressure, in the $875 to $1000 price bracket. If you're seeking the strongest water stream, look no further than the Westinghouse WPX4400, which delivers an impressive 4400 PSI.
  • Considering the above-mentioned price range, this washer's maximum water flow of 4 GPM (gallons per minute) is higher than the average. If you're looking for optimal debris removal capabilities, consider the Westinghouse WPX4400 as one of the top choices in this price range, with a flow rate of 4.2 GPM.
  • Featuring 16800 Cleaning Units (PSI X GPM) in total, the PWF4200SH ranks among the more efficient options in its respective price bracket. If the highest overall cleaning power is a priority, the Westinghouse WPX4400 and its 18480 Cleaning Units are notable for their higher potential cleaning efficiency compared to units in the same price range.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 16500 and 17000 Cleaning Units, the A-iPower PWF4200SH is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget pressure washer.

The bottom line

STRENGTHS:
  • Inexpensive
  • 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
WEAKNESSES:
  • No soap tank

Do you own the A-iPower PWF4200SH and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

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.

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