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Sun Joe SPX4501 - 2500 PSI 1.48 GPM Electric Pressure Washer

The Sun Joe SPX4501 is an electric pressure washer offering a maximum water pressure of 2500 PSI and flow of 1.48 GPM. (Read full specs)

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Sun Joe SPX4501 2500PSI Electric Pressure WasherSun Joe SPX4501 2500PSI Electric Pressure Washer
This product has a newer version, the SPX4600.
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Features and Specifications

General
FuelElectric
HandlingHand Truck
WaterCold (104°F max.)
PSI (max/rated)2500/2000
GPM (max/rated)1.48/1.1
Cleaning Units2200
Motor13 amp, induction
PumpAxial
Features
Soap injectionYes
Soap tank1 gal, removable
Soap dilutionWheel
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose20 ft
Hose storageReel
Misc
Dimensions
(D x W x H)
Approx. 23.5 x 18.5 x 35.4 in
Weight45.9 lbs
Wheels2 wheels, ⌀9.5"
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, 35 ft GFCI power cord, 5 nozzles
SecurityTrigger lock
Warranty2 years
UPC842470110519

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Description

Tackle your toughest home, outdoor and auto cleaning tasks with the powerful 13-amp induction motor, designed to last longer, run quieter, and work cooler than traditional universal motors.

Zoom on the Sun Joe SPX4501

The Sun Joe SPX4501 is a medium duty pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:

  • spot cleaning of hard, paintless surfaces and reaching far-away areas
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted or delicate surfaces
  • application of detergent and cleaning solutions

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

The Sun Joe SPX4501 in use

The Sun Joe SPX4501

Using a 13 amp induction motor, its axial pump delivers a pressure of up to 2500 PSI (roughly 42 times more than a standard garden hose) and a flow of up to 1.48 GPM. These are the maximum values that the washer can reach only under specific conditions. Under typical load, working pressure is 2000 PSI and rated flow is 1.1 GPM. Together, the values result in a cleaning power of 2200 Cleaning Units.

Being an electric pressure washer, the Sun Joe SPX4501's motor can be easily started by a convenient ON/OFF switch. The unit is ready-to-use with peace of mind, thanks to the included 35 ft GFCI cord.

Design & Handling

The Sun Joe SPX4501 is very mobile, due to its hand truck design and approximate dimensions of D23.5 x W18.5 x H35.4 in. The foam-padded fixed handle adds to the SPX4501 convenience of transport, while offering a comfortable grip.

With a weight of only 45.9 lbs, the unit is definitely easy to carry around. On top of its light weight, the transportability and ease of use of this model is further improved by the addition of two 9.5" wheels.

Main Features

The Sun Joe SPX4501 in use

The Sun Joe SPX4501

Along with the Sun Joe SPX4501 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: A safe detergent storage is facilitated by a removable 1 gal tank. The unit features a dial to allow you to manually choose the detergent dilution ratio. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: Using a convenient hose reel, which also improves its lifespan, the included 20 ft high-pressure hose can be easily stored on the unit when it is not running.
  • Spray gun and wand: Both the classic ergonomic spray gun and its wand may be conveniently stored in a side hook.
  • Nozzles: The 5 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.


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

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

Other Features

The nozzles of the Sun Joe SPX4501

The Sun Joe SPX4501 nozzles

  • Total Stop System (TSS): This feature automatically shuts off the pressure washer when the trigger is not engaged, to prolong the pump's lifespan.
  • Onboard storage: The Sun Joe SPX4501's handy storage area lets you store nozzles and accessories, and thus, you’ll be always prepared and have everything necessary for the job at hand.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
  • Accessories: The Sun Joe SPX4501 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 spray gun, power cord, nozzle cleaner, pressure hose and wand.

Product Video

The Sun Joe SPX4501'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 SPX4501 compare to similarly priced pressure washers.

  • Reaching a 2500 PSI max pressure output, the Sun Joe SPX4501 has an expected pressure value, compared to the other electric units in the $300 to $400 price range. In case you are looking for a device with the highest possible power of its water stream, one of the top achievers in this price range is the Greenworks GPW3000 with a PSI of 3000.
  • As this washer can produce a flow of water of 1.48 GPM (gallons per minute), it is average in terms of water volume for the above-mentioned price range. 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 Greenworks GPW2200, with 2.3 GPM.
  • The SPX4501 ranks as below average in terms of Cleaning Units, compared to electric devices in its price range, reaching only a value of 2200 CU. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Greenworks GPW3000 and its 3300 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other electric washers between 2000 and 2500 Cleaning Units, the Sun Joe SPX4501 is on the expensive side of the price range.

While certainly not the cheapest of its cleaning power range, purchasing it could most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Induction motor
  • Good range of nozzles included
  • Detergent dilution mechanism
  • Hose reel
  • Onboard storage
AVERAGE SPECS:
  • Decent PSI for the price
  • Decent GPM for the price
WEAKNESSES:
  • On the expensive side
  • Low CU for the price

Do you own the Sun Joe SPX4501 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 SPX4501 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-SNOWJOE (866-766-9563).

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