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Kärcher K1900 Spec Review

The Kärcher K1900 is an electric pressure washer offering a maximum water pressure of 1900 PSI and flow of 1.3 GPM. (Read full specs)

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Kärcher K1900 1900PSI Electric Pressure WasherKärcher K1900 1900PSI Electric Pressure WasherKärcher K1900 1900PSI Electric Pressure WasherKärcher K1900 1900PSI Electric Pressure Washer
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Description

The K1900 was developed to offer premium cleaning performance and unparalleled ease of use. This electric pressure washer delivers 1900 PSI of TruPressure™ cleaning power, ensuring you get the highest level of cleaning performance and driven by a rugged induction motor. It includes convenience features such as a unique on/off foot switch, a handy storage bin, large one-gallon removable detergent tank and four spray nozzles (including a turbo nozzle for intense cleaning). It is perfect for tackling those deep cleaning jobs. (source: Kärcher (opens in a new tab))

Zoom on the Kärcher K1900

The Kärcher K1900 is a light to medium duty pressure washer, and enables:

  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and fragile surfaces
  • use of detergent and cleaning solutions

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

Power

The Kärcher K1900 in use

The Kärcher K1900

The Kärcher K1900's axial pump, powered by a 13 amp motor, can provide a pressure of up to 1900 PSI (approximately 32 times more than a standard garden hose) and a flow of up to 1.3 GPM (values claimed by the manufacturer). The Kärcher K1900 thus has a cleaning power of 2470 Cleaning Units.

Kärcher made starting the motor of this electric pressure washer as easy as possible, since the K1900 gets easily started by stepping on an ON/OFF pedal. The unit is ready-to-use with peace of mind, thanks to the included 35 ft GFCI cord.

Design & Handling

Thanks to its hand truck design and approximate dimensions of D18.3 x W19 x H35.5 in, the Kärcher K1900 offers great mobility. The aluminum frame allows the device to remain highly durable, as it will not rust. The folding handle enhances its mobility, while allowing for a convenient storage.

Because the device weighs just 39.3 lbs, carrying it around is very easy. This is, in part, thanks to its aluminum frame, which allows it to remain as lightweight as possible. As if this lightweight wasn't enough, the device also features two 10" wheels to further improve its ease of use and of transport.

Main Features

The Kärcher K1900's package includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: A safe detergent storage is facilitated by a removable 1 gal tank. As the Kärcher K1900 doesn’t include a soap dilution mechanism, the user must provide a correctly diluted detergent before proceeding to use it. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: The included 25 ft high-pressure hose can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: A front sheath enables you to easily store the included classic ergonomic spray gun and its wand.
  • Nozzles: The 4 included nozzles, and the respective surfaces they’re appropriate for, are listed in the table below.
 

15°

40°

Soap

Turbo
Concrete, brick, masonrySuitableSuitableSuitableUse with caution
Siding, gutters, houseUse with cautionSuitableSuitableNot recommended
Fencing, deck, patioUse with cautionSuitableSuitableNot recommended
Lawn equipment, boat, RVUse with cautionUse with cautionSuitableNot recommended

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 Kärcher K1900

The Kärcher K1900 nozzles

  • Onboard storage: The Kärcher K1900'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: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Kärcher K1900 comes with wand, power cord, spray gun and pressure hose.

Product Videos

The Kärcher K1900's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Kärcher K1900 compare to similarly priced pressure washers.

  • The Karcher K1900, a device which can produce up to 1900 PSI, is on the lower end of the pressure spectrum, among the electric pressure washers in the $195-255 price range. 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.
  • The achievable water flow of this washer, which reaches 1.3 GPM (gallons per minute) can be described as low, 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 Realm BY02-BIMK, which can reach up to 1.75 GPM.
  • Amongst similarly priced electric devices, the 2470 Cleaning Units (PSI x GPM) of the K1900 rank as low. If you consider the highest overall cleaning power as a really important factor, the Realm BY02-BIMK and its 4550 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced units.

Price comparison

As you can see from this interactive chart, when compared to other electric washers between 2000 and 2500 Cleaning Units, the Karcher K1900 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
  • ON/OFF pedal
  • Aluminum frame
  • Good range of nozzles included
  • Onboard storage
WEAKNESSES:
  • No detergent dilution mechanism
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the Kärcher K1900 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelElectric
HandlingHand Truck
WaterCold (104°F max.)
PSI1900
GPM1.3
Cleaning Units2470
Motor13 amp
PumpAxial
Other model numbers1.106-111.0
Features
FrameAluminum
Soap injectionYes
Soap tank1 gal, removable
Soap dilutionNo
Nozzles15°, 40°, Soap, Turbo
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 18.3 x 19 x 35.5 in
Weight39.3 lbs
Wheels2 wheels, ⌀10"
Included accessoriesWand, spray gun, high pressure hose, 35 ft GFCI power cord, 4 nozzles
SecurityTrigger lock
Warranty3 years

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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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 K1900 is covered under a warranty for up to 3 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 contact the Kärcher Customer Support: 1-800-537-4129.

Kärcher K1900
4.3 Total Score
1 review
Add your review
Ease Of Use
10
Value
1
Quality
1
Performance
5
1 Review
  1. 2.15
    Ease Of Use
    100
    Value
    10
    Quality
    10
    Performance
    50

    Works very well when it works. I bought 2 , one for the house and one for the cottage. It worked for about 3 or 4 times . Than the gun start leaking and not able to build pressure. I opened the gun and the valve is too weaks to handled the pressure and cracked . They both have exactly the same problem. I’m waiting to receive a new gun under warranty but unless they upgraded the valve the situation will be the same.

    + PROS: Good performance
    - CONS: Broke very quickly.
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