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Kärcher K4 Compact Water-Cooled Pressure Washer

4.4 out of 5 stars 134 customer reviews
| 25 answered questions

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10 new from £156.06 1 used from £149.99
  • Water-cooled motor for improved performance and a longer life
  • Quick connect system for the high-pressure hose
  • Detergent suction tube for the application of detergents
  • Lance, trigger gun and cable storage
  • Draws water from a static water source, e.g. water butt, pond or bucket (Suction hose and filter to be purchased additionally)
  • The K4 Compact comes with a 3 year warranty
  • Every Kärcher Pressure Washer is individually tested before being allowed to leave the factory

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Product Information

Technical Details
Part Number 16373110
Item Weight11 Kg
Product Dimensions57.6 x 39 x 31.4 cm
Item model number16373110
ColourYellow and Black
Power SourceAC
Wattage1800 watts
Item Package Quantity1
Plug FormatG - 3 pin British
Batteries Included?No
Batteries Required?No
Weight10.7 Kilograms
  
Additional Information
ASINB009QX8BAS
Best Sellers Rank 9,974 in DIY & Tools (See top 100)
Shipping Weight14 Kg
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Date First Available1 Jan. 2013
  
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Product Description

Kärcher K4 Compact

The K4 Compact Pressure Washer is the compact version of Kärcher’s mid-range machines and combines power and energy efficiency through its water-cooled induction motor resulting in exceptional performance and a longer life. A compact, lay-flat design allows the machine to be easily stored whilst the wheels and telescopic aluminium handle ensures complete mobility. The on-board storage solution means the trigger gun, hose and accessories can be stowed neatly with the machine so that they are always within reach.

A fine mesh water filter prevents dirt particles from damaging the motor and three-piston axial-flow pump, whilst a safety valve eliminates any possibility of pressure overload. The integrated suction hose allows the addition of Kärcher’s full range of detergents to assist in getting the optimum result in your cleaning task.

All Kärcher K4 Pressure washers can work using a static or harvested water source such as a water butt. Water can either be drawn into the machine through a standard hose connected to a water butt tap or using the suction hose and filter which can be purchased separately. The K4 Compact is designed for various tasks including cleaning cars, bicycles, garden furniture and fences, as well as medium sized areas around the home.

Features and Benefits

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Long Life Water-Cooled Motor

A water-cooled motor enhances the performance and provides a long life, water is designed to go around the motor when the product is in use to cool the motor.

Automatic Motor

All Kärcher pressure washers are designed with an automatic stop/start motor so the unit isn't continuously flowing during your cleaning application.

Water Inlet Filter

The inlet filter is already built in the unit, this filter prevents debris entering and damaging the pump.

Upright Construction with lay flat operation

Upright handle with wheels for transporting the unit to different areas for other cleaning applications, ensures excellent mobility. The product needs to lay flat when in operation for full stability

On-Board Storage

On-board the pressure washer are ideal storage solutions for the Vario Lance, Dirt-blaster and electrical cable.

Compact

Designed with an aluminium telescopic handle, extended when in operation and compact for storage.

Quick Connect

Simply push into the connector to attach your high-pressure hose and push the sleeve back on the connector to release the high-pressure hose.

Detergent suction tube

This particular model is designed with a detergent suction tube, which allows you to draw detergent from a container. The unit will draw the detergent through the unit when the product is drawing water at low pressure.

Accessories Included

Vario lance
Dirtblaster
Dirtblaster

This is a powerful rotary nozzle designed with a rotating pencil jet which provides up to 50% greater cleaning power than a standard high pressure lance, for instance used for removing stubborn dirt on moss covered or weathered surfaces

Vario Lance

For variable pressure control from low-pressure to high-pressure jet by simply twisting the spray lance, easy to connect to your trigger gun with the bayonet design.

High-pressure hose

A 6 m High-pressure hose which is simple to connect to your trigger gun and then can be securely screwed to your unit.

Standard Accessories

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Vario Lance
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Dirtblaster

Compare the range

Product Details
Kärcher K2 Compact Home Pressure Washer
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Kärcher K2 Premium Home Pressure Washer
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Kärcher K4 Water-Cooled Pressure Washer
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Kärcher K4 Premium Eco Home Water-Cooled Pressure Washer
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Kärcher K5 Premium Eco Home Water-Cooled Pressure Washer
Pressure (Bar) 110 110 130 130 145
Water Flow (l/h) 360 360 420 420 500
Watts 1400 1400 1800 1800 2100
Motor Air-Cooled Air-Cooled Water-Cooled Water-Cooled Water-Cooled
Detergent Intake Suction Tube Suction Tube Plug & Clean Plug & Clean Plug & Clean
High Pressure Hose Length (m) 4 4 6 6 8
Cleaning Area (m2/30 mins) 10 10 15 15 20
Accessories
  • Vario Lance
  • Dirtblaster
  • Patio & Deck Pouch
  • T50 Patio Cleaner
  • One way Lance
  • Dirtblaster
  • Patio & Deck Pouch
  • T50 Patio Cleaner
  • Vario Lance
  • Dirtblaster
  • Stone Cleaner Plug & Clean Detergent
  • Vario Lance
  • Dirtblaster
  • T250 Patio Cleaner
  • Universal Eco Plug & Clean Detergent
  • Suction Hose & Filter
  • Vario Lance
  • Dirtblaster
  • T250 Patio Cleaner
  • Universal Eco Plug & Clean Detergent
  • Suction Hose & Filter



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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I bought this Pressure Washer when my old Pressure Washer sprung a leak. This was the second one to do so. The problem was that you cannot get all the water out of the machine to drain it down for winter, with the result that the water freezes in the pump and causes the machine to spew water out. I did costing on returning my machine for repairs to discover they charge £80 just to look at the problem. Then there is the cost of any parts they might use.
Having discussed the problem with my friends, I was an engineer before I retired, I am convinced that this is a design fault with all Karcher machines.
So because I had bought a lot of attachments that only fit Karcher units and the cost to repair the unit was about the price of a new machine I bought this one.
The K4 is a good machine and supplies more than enough pressure for all the jobs around the home and is especially good on block paving.
But I noted that in the instruction manual it tells you not to leave the machine in a garage or shed over winter but to drain out as much water as possible and take the unit into the house where the temperature stays above freezing.
When I told my wife that we had to find a place for the pressure washer in the house, she was not too happy.
Other than that the Pressure Washer is a good bit of kit.
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Verified Purchase
Have had two smaller Karc hers in the past , but the K4 is certainly in another league. The weight gives you the first clue then when using it, the extra power and control ability make it well worth the pur hase price
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Verified Purchase
Having had a more professional power spray washer for 20 years which has done sterling service cleaning paving, stables and chicken houses It finally gave up the ghost and I needed a replacement in a hurry which wasn't going to cost a fortune and had no need to last for so long. This did the trick with no frills gadgets which I found I never needed on the old machine. It made a good job of cleaning a stone paved terrace and paving slabs, It looks well made but very noticeably less rugged and lighter and more plasticy than the older machine, which to be fair cost twice as much 20 years ago. Don't be deceived by comparing pressure when judging how effective a sprayer will be. The volume of throughput flow is equally if not more important and the K4 is very noticeably less effective than the older machine and although it did a good job on cleaning tough grime from paving it took much longer to do it than the machine with a greater flow rate. Conversely it isn't as brutal on surfaces either
If you have a need for a machine that is more than occasional use over say 5 years or more then consider the more pro machine it will pay back in the long run and do the job much quicker. Otherwise this is a great buy for medium duty domestic use.
A word of caution NEVER over winter it in an old building which might freeze, drain it down and store in a warm garage or house and it will last longer.
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Verified Purchase
I bought this after I read previous reviews. As I am a woman 60+ in years I found this easy to use and it really did the job on my patio, paths and garden furniture. It really cleaned the area of path where the sun doesn't get to very well. I did not need to use any chemicals For me it was a very worthwhile buy.
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Verified Purchase
This is a great product bought for cleaning large deck spaces and wooden steps. Efficient and good value, as well as easy to use.
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Verified Purchase
Just how compact this pressure washer is really surprised me. Don't let that fool you, however. The pressure of the water that this produces is more than adequate for medium duty cleaning tasks around the home.
It is also surprisingly quiet and easy to store away.
The inbuilt suction tube is also very good and draws soap from any container I've tried.
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Verified Purchase
Bought this for my husband as part of his Christmas present. Although he has only used it once, on the front paving stones, you can really tell the difference. It washes away all the dirt and grime. I didn't realise until after he washed the front, that the paving stones were different colours, we lived here for 4 years. Highly recommended.
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Verified Purchase
I bought this to replace my damaged Karcher K2 pressure washer which I always thought was a bit under powered for quickly cleaning paths and patios. I have large areas to keep clean. The K4 is more powerful and therefore quicker than the K2. It's a bit bigger and heavier but that's not an issue for me. Best to compare the specs on the Karcher website for your particular usage but the K4 is better for my requirements.
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