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Kärcher K4 Power Control - 1900 PSI 1.5 GPM Electric Pressure Washer

The Kärcher K4 Power Control is an electric pressure washer offering a maximum water pressure of 1900 PSI and flow of 1.5 GPM. (Read full specs)

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Set an alert for the Kärcher K4 Power Control - Current lowest price: $329.99
Price History
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Price history for the Kärcher K4 Power Control
Latest updates:
  • $329.99 - March 5, 2024
  • $263.99 - February 27, 2024
  • $329.99 - January 30, 2024
  • $280.49 - January 16, 2024
  • $329.99 - December 5, 2023
  • $280.49 - November 22, 2023
Data source: homedepot.com
Since: November 22, 2023
  • Highest Price: $329.99 - December 5, 2023
  • Lowest Price: $263.99 - February 27, 2024

Features and Specifications

FuelElectric
HandlingPortable
WaterCold
PSI (max/rated)1900/1500
GPM (max/rated)1.5/1.31
Cleaning Units1965
Motor13 amp, induction
PumpAxial Cam
Other model numbers1.324-045.0
FramePlastic
Soap injectionNo
Soap tankPlug 'n' Clean
NozzlesN/A
Onboard storageNo
Hose storageNone
Dimensions
(D x W x H)
Approx. 15.8 x 12 x 23.1 in
Weight28.7 lbs
Wheels2 wheels, ⌀6.6", solid
Included accessoriesVPS wand, Power Control spray gun, high pressure hose, dirt blaster, garden hose adapter, GFCI power cord
SecurityTrigger lock
Warranty2 years
UPC886622044116

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

Zoom on the Kärcher K4 Power Control

In summary, the Kärcher K4 Power Control is a light to medium duty pressure washer, that offers an all-around versatile cleaning experience, and also:

  • spot cleaning of hard, paint-free surfaces and out-of-reach areas
  • cleaning of painted or delicate surfaces

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

Power

Powered by a 13 amp induction motor, its axial cam pump can deliver a pressure of 1900 PSI (around 32 times more than a standard garden hose) and a flow of up to 1.5 GPM (values claimed by the manufacturer). These are the maximum values that the washer can reach only under specific conditions. Under typical load, working pressure is 1500 PSI and rated flow is 1.31 GPM. Combined, these values mean that the Kärcher K4 Power Control has a cleaning power of 1965 Cleaning Units.

The K4 Power Control is an electric pressure washer and thus, can be easily started by an ON/OFF switch. The unit is ready-to-use with peace of mind, thanks to the included GFCI cord.

Design & Handling

With its portable design and approximate dimensions of D15.8 x W12 x H23.1 in, the Kärcher K4 Power Control makes mobility one of its core strengths. The telescopic handle further eases storage and offers a convenient pulling height, allowing effortless transportation.

Since the unit weighs only 28.7 lbs, it is very easily carried around. Among other factors, the plastic frame plays a role in this light weight. As if this lightweight wasn't enough, the device also features two 6.6" solid wheels to further improve its ease of use and of transport.

Main Features

The Kärcher K4 Power Control's package includes a spray gun, a wand and a pressure hose, with a more detailed description below.

  • Pressure hose: This washer comes with an easy-to-connect high-pressure hose. But, there is no proper storage solution designed for it (no reel, strap or hook).
  • Spray gun and wand: A side hook enables you to easily store the included Power Control spray gun and its VPS wand. The Vario Power Spray (VPS) wand allows you to conveniently switch from low to high pressure, and everything between, while you clean. Simply twist the end for infinitely variable pressure adjustment.

Plug 'n' Clean System

Karcher Plug 'n' Clean system

The practical Plug 'n' Clean system allows you to change the detergent in one quick and easy step, and to always see the filling level at a glance.

It removes the need for a proper soap tank, as you just have to plug your chosen Karcher detergent upside down in the unit's dedicated chamber.

6 Plug 'n' Clean detergents are available: Ultra Foam Cleaner, Plastic Cleaner, Wood Cleaner, Stone & Facade Cleaner, Car Shampoo, and Universal Cleaner.

Power Control Gun

Power Control Spray Gun

The Power Control trigger gun and its pressure display

Karcher's Power Control trigger gun gives you an instant reading on your current pressure setting.

It features indicators that illuminate to show you which of the 4 settings the Vario Power Spray wand is currently set.

The four settings are "MIX", "SOFT", "MEDIUM", and "HARD".

Home & Garden Mobile App

Home & Garden App Advisor

Kärcher's Home & Garden Mobile App

Kärcher Home & Garden app is available for Android (opens in a new tab) and iOS (opens in a new tab) devices. Even though this unit does not have Bluetooth connectivity, the app promises to turn you into a cleaning expert, by offering you access to Kärcher's extensive cleaning knowledge. It will enable you to:

  • Get step-by-step help on installation and initial startup
  • Consult its built-in advisor for instructions to achieve the best cleaning result in model scenarios (e.g. cleaning your bike)
  • Read tips & tricks on how to get the most out of your washer
  • Browse FAQ items and detailed troubleshooting guides
  • Easily connect to the Kärcher service center to order accessories, detergents, etc.

Other Features

Some of the accessories of the Kärcher K4 Power Control

Some of the included accessories

  • 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 Kärcher K4 Power Control also comes with power cord, pressure hose, DirtBlaster turbo spray wand (which is especially useful on stubborn dirt), wand, garden hose adapter and spray gun.

The Kärcher K4 Power Control's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Kärcher K4 Power Control compare to similarly priced pressure washers.

  • The Kärcher K4 Power Control with its 1900 PSI achieves a lower pressure value, compared to other electric pressure washers in the $300-400 price range. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Westinghouse WPX3400e, which reaches up to 3400 PSI.
  • Considering its water flow, this washer, with a GPM (gallons per minute) of 1.5 is in the average compared to other devices in its price range. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the Greenworks GPW2200, which can reach up to 2.3 GPM.
  • The K4 Power Control's Cleaning Units, 1965 CU, fall into the lower end when compared to electric devices of similar price. If you consider the highest overall cleaning power as a really important factor, the Westinghouse WPX3400e and its 3300 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced units.

Price comparison

As you can see from these interactive charts, when compared to other electric washers between 1500 and 2000 Cleaning Units, the Karcher K4 Power Control 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
  • Portable
  • Power Control gun
AVERAGE SPECS:
  • Decent GPM for the price
WEAKNESSES:
  • On the expensive side
  • No soap injection feature
  • No pressure hose storage
  • The Plug 'n' Clean system is not the most eco-friendly
  • Low PSI for the price
  • Low CU for the price

Do you own the Kärcher K4 Power Control and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Kärcher

Founded in 1935 by Alfred Kärcher, this family-owned business is headquartered in Winnenden, Germany. Credited with developing Europe's first hot water high-pressure washer in 1950, the company continues to pride itself on ingenuity and innovative thinking for new solutions in the cleaning industry. Kärcher also insists on being a socially- and ecologically-sustainable company. The popularity of the brand can be seen by the fact that the name Kärcher has in some European countries become a colloquial term used synonymously with pressure washers.

Warranty Information

The Kärcher K4 Power Control 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 Kärcher pressure washers, please consult Kärcher's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-537-4129.

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