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Sun Joe SPX3550 - 2350 PSI 1.8 GPM Electric Pressure Washer

The Sun Joe SPX3550 is an electric pressure washer offering a maximum water pressure of 2350 PSI and flow of 1.8 GPM. (Read full specs)

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Sun Joe SPX3550 2350PSI Electric Pressure WasherSun Joe SPX3550 2350PSI Electric Pressure WasherSun Joe SPX3550 2350PSI Electric Pressure Washer
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Price history for the Sun Joe SPX3550
Highest Price
$283.78
Lowest Price
$269.00
Current Price
$269.00

Features and Specifications

FuelElectric
HandlingPortable
WaterCold (104°F max.)
PSI (max/rated)2350/2000
GPM (max/rated)1.8/1.1
Cleaning Units2200
Motor14.9 amp, induction
PumpAxial
FramePlastic
Soap injectionYes
Soap tank0.32 gal, removable
Soap dilutionWheel
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose20 ft
Hose storageHooks
Dimensions
(D x W x H)
Approx. 15 x 17 x 36 in
Weight24 lbs
Wheels2 wheels, solid
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, garden hose adapter, 35 ft GFCI power cord, 5 nozzles
SecurityTrigger lock
Warranty2 years
UPC842470128699

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

Equipped with an eco-friendly, 14.9-amp motor, SPX3550 packs a super-powered punch, generating up to 2350 PSI (at initial discharge per CSA internal pressure testing) and 1.8 GPM (with nozzle open at minimum pressure) of pure cleaning power take on tough grease and oil stains, mildew, caked-on mud, and other stubborn gunk and grime.

Zoom on the Sun Joe SPX3550

In a nutshell, the Sun Joe SPX3550 is a medium duty pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • focused spot cleaning on hard, unpainted surfaces, accessing high spots, and efficiently eliminating stubborn stains
  • comprehensive cleaning of hard surfaces, vehicle washing, and readying surfaces for painting
  • gentle cleaning for sensitive surfaces, and wide coverage cleaning with low pressure
  • utilizing cleaning solutions, and rinsing surfaces clean

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

Utilizing a 14.9-amp induction motor, this machine's axial pump can deliver a pressure of 2350 PSI (around 39 times stronger than a standard garden hose) and a flow rate of up to 1.8 GPM (values as per CSA testing standards). While these PSI and GPM values represent the maximum capabilities of the washer under specific conditions, it's important to note that under typical usage, the working pressure is 2000 PSI and the flow rate is 1.1 GPM. Thus, the Sun Joe SPX3550 achieves a cleaning power of 2200 Cleaning Units.

The SPX3550, an electric washer, swiftly activates via a simple ON/OFF switch, ensuring user-friendly startup. The unit is ready-to-use with peace of mind, thanks to the included 35 ft GFCI cord.

Design & Handling

With its portable design and approximate dimensions of D15 x W17 x H36 in, the Sun Joe SPX3550 priotirizes mobility one of its key features. The handle adds to the SPX3550 convenience of transport.

Weighing in at a mere 24 lbs, this unit is designed for effortless portability and convenience. Its lightweight construction is partially attributed to its plastic frame. Adding to its lightweight construction, two solid wheels are included, simplifying mobility and transport.

Main Features

The Sun Joe SPX3550'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: The pressure washer features a removable 0.32 gal tank for detergent storage. The detergent dilution ratio can be manually selected, using a dial. Upon attaching a soap nozzle, the pressure washer seamlessly integrates the detergent into the water flow.
  • Pressure hose: With a set of convenient hooks, the unit provides a convenient way to store the included 20 ft high-pressure hose when not in use, keeping it organized and readily accessible.
  • 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

Important: The nozzle shapes shown above are for illustrative purposes and may vary. Symbols denote suitability, with a red cross indicating 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'

Other Features

Some of the accessories of the Sun Joe SPX3550

Some of the included accessories

  • Total Stop System (TSS): Featuring an automatic shut-off mechanism, this pressure washer stops running when the trigger is released, enhancing the pump's durability.
  • Onboard storage: The Sun Joe SPX3550 features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
  • Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Sun Joe SPX3550 also comes with nozzle cleaner, spray gun, garden hose adapter, wand, power cord and pressure hose.

Product Video

The Sun Joe SPX3550's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Sun Joe SPX3550 compare to similarly priced pressure washers.

  • With its 2350 PSI max pressure output, the Sun Joe SPX3550 is in the expected pressure range, for electric units in the $255-300 price range. If you're going after the highest possible power of the water stream, one of the best in this price range is the Westinghouse WPX3000e that can reach up to 3000 PSI.
  • Considering the above-mentioned price range, this washer's maximum water flow of 1.8 GPM (gallons per minute) is higher than the average. For those prioritizing effective debris rinsing, one of the top products in this price range is the Greenworks GPW2700, offering a high flow rate of 2.3 GPM.
  • Featuring 2200 Cleaning Units, the SPX3550 sits at the lower spectrum when compared to other devices in the same price range and fuel category. If the highest overall cleaning power is your top priority, the Greenworks GPW2700, which can reach up to 3240 Cleaning Units, is one of the most efficient of the devices in the current price range.

Here's a list of the most popular specific comparisons:

Price comparison

As you can see from these interactive charts, when compared to other electric washers between 2000 and 2500 Cleaning Units, the Sun Joe SPX3550 is on the average side of the price range.

Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.

The bottom line

STRENGTHS:
  • In the expected price range
  • Induction motor
  • Portable
  • Good range of nozzles included
  • Detergent dilution mechanism
  • Onboard storage
  • High GPM for the price
AVERAGE SPECS:
  • Decent PSI for the price
WEAKNESSES:
  • Low CU for the price

Do you own the Sun Joe SPX3550 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Sun Joe

Sun Joe is the brand that the parent Snow Joe Company uses to market its line of summertime outdoor power equipment. Founded in 1994 in Edison, NJ, Snow Joe + Sun Joe has consistently supplied do-it-yourselfers with quality corded electric and battery-powered tools for home and gardening needs. The company strives to be ecologically friendly and prides itself on innovation and low-cost solutions. Their range of products includes snow throwers, lawn mowers, pressure washers, and trimmers. The design team is located in Carlstadt, NJ, while the manufacturing facilities are located in China, India, Taiwan, Japan, as well as in the USA.

Warranty Information

The Sun Joe SPX3550 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 Sun Joe pressure washers, please consult Sun Joe's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-866-225-9723.

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