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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
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Price history for the Sun Joe SPX3550
Highest Price
$275.00
Lowest Price
$269.00
Current Price
$269.00

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
  • 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

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

Power

With a 14.9-amp induction motor powering it, the axial pump of this unit is capable of achieving a pressure of 2350 PSI (approximately 39 times greater than that of 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. Corresponding to these values is a cleaning power of 2200 Cleaning Units.

The SPX3550's motor is effortlessly activated with a simple ON/OFF switch, ensuring convenient operation. 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.

With its featherlight weight of 24 lbs, this unit offers unparalleled ease of transport and handling. The use of an plastic frame helps maintain its lightweight build. Complementing its lightweight frame, two solid wheels are integrated, facilitating effortless transportation.

Main Features

The Sun Joe SPX3550 comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Detergent storage is ensured by a removable 0.32 gal tank. The unit features a dial to allow you to manually choose the detergent dilution ratio. When a soap nozzle is connected, the pressure washer takes the initiative to mix the detergent with the water flow automatically.
  • Pressure hose: Utilizing a set of convenient hooks, the unit offers a convenient solution for storing the included 20 ft high-pressure hose when it's not in use, keeping it neatly organized.
  • Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its wand.
  • Nozzles: Review the table below to learn about the 5 included nozzles and the surfaces they're recommended for.


15°

25°

40°

Soap
Concrete, brick, masonry/use>/use>/use>/use>/use>
Siding, gutters, house/use>/use>/use>/use>
Fencing, deck, patio/use>/use>/use>/use>
Lawn equipment, boat, RV/use>/use>/use>/use>

Note: The shape of the nozzles above is for illustration purposes only and may differ.
 Not recommended.  Suitable.  Use with caution.

Other Features

Some of the accessories of the Sun Joe SPX3550

Some of the included accessories

  • Total Stop System (TSS): Equipped with an automatic shutdown feature, this pressure washer ceases operation when the trigger is disengaged, ensuring the pump's long-term performance.
  • Onboard storage: Stay prepared for any job with Sun Joe SPX3550'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).
  • Accessories: Included with the Sun Joe SPX3550 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 wand, nozzle cleaner, pressure hose, garden hose adapter, spray gun and power cord.

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.

  • The Sun Joe SPX3550, which can reach a PSI of 2350, achieves an average pressure output, compared to other electric units that cost between $240 and $300. As for the device with the most powerful water stream, in this price range, one of the top products is the Sun Joe SPX4600 with 3000 PSI.
  • Boasting a water flow of up to 1.8 GPM, this washer occupies a leading position in the price range mentioned above, ensuring a superior water volume.
  • The SPX3550 has 2200 Cleaning Units, which can be considered low in comparison to other electric devices of this price. If you consider the highest overall cleaning power as a really important factor, the BE P2115EN and its 3440 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced units.

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.

Features and Specifications

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

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.

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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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