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Kärcher K 4 Power Control high pressure washer: Intelligent app support – the right solution for heavier soiling

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£189.00 £209.99
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Last updated on May 24, 2022 11:47 am
Kärcher K 4 Power Control high pressure washer: Intelligent app support – the right solution for heavier soiling
Kärcher K 4 Power Control high pressure washer: Intelligent app support – the right solution for heavier soiling



Kärcher K 4 Power Control high pressure washer: Intelligent app support – the right solution for heavier soiling. From the model Kärcher.

    (*4*)NEW – Uncover invaluable suggestions from Kärcher specialists with our Residence & Backyard App, resembling the right pressure for your cleansing job – individually tailored to your system.

    Cleansing has by no means been really easy. The pressure is regulated by turning the spray wand – the LED show on the Full Control Power gun makes it straightforward to test the setting made.

    Plug n’ Clear cleansing system – Fast and simple utility and altering of cleansing brokers might be carried out with this progressive plug-in system for cleansing agent bottles.

    The right solution – the K 4 removes heavier soiling from automobiles, motorbikes and bicycles, backyard instruments, balcony and backyard furnishings, fences, and paths effortlessly and effectively.

    Scope of supply: High-pressure cleaner with G 160 Q Power Control gun, Vario Power Jet jet pipe, filth blaster, 8 m high-pressure hose.

    2 years Assure

Additional information

Specification: Kärcher K 4 Power Control high pressure washer: Intelligent app support – the right solution for heavier soiling



Part Number


Product Dimensions

‎40.2 x 30.6 x 58.8 cm, 11.48 Kilograms

Item model number





‎Machine without Home kit





Power Source



‎1800 watts

Item Package Quantity


Sound level

‎75 dB

Hose Length

‎8 Metres

Handlelever placement


Included Components

‎1x K 4 Power Control Pressure Washer 1x High Pressure Gun 1x Vario Lance 1x Dirt Blaster Lance 1x 8m High Pressure Hose

Batteries Required


Item Weight

‎11.5 kg

Reviews (7)

7 reviews for Kärcher K 4 Power Control high pressure washer: Intelligent app support – the right solution for heavier soiling

4.3 out of 5
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  1. Bourtie Brae

    It’s a good enough power washer – plenty power, light weight and not too noisy but 3 things I hate –
    1. The telescopic handle – why? What idiot came up with this flimsy piece of crap – all it does is collapse anytime you put any force on it – why doesn’t it lock in position of better still just not move at all?
    2. The holder for the lance – again designed by somebody who has never used it – it’s awkward, cumbersome, useless…
    3. The hose – why oh why Mr Karcher must we put up with this awful hose – it just constantly kinks and twists and is impossible to tidy away at the end of the day – god I hate this hose!!!
    There is another reviewer on here who has some snobbish views about only buying German gear – well remember this German machine is made in Italy!
    Did I mention that hose…

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  2. activator

    The power is good…great for washing the car and I used a snow lance with it which worked well. Two things that could be improved. The hose has a memory which is uncontrollable…I wrestled with mine for 20 minutes and I still cant get the twists out of it . Surely there is a better solution. I also made the mistake of leaning on the handle which collapsed down nearly causing me to fall. …it should lock up. lastly its useless to have to use an app to show you how to build it …total madness. What happened to instruction manuals ? A lazy solution.
    Doesnt come with a washer bottle for shampoo etc………even an empty bottle would be ok.
    Those are the downsides …apart from that it s good machine and works well.
    However if you really want a clean patio.with no black spot or algae………the best thing to do is not to pressure wash it ………..especially if it is stone . Use Sodium Hypochlorite spay it on with a pump sprayer diluted ( see you tube) the remove it gently with your power washer not on full blast.

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  3. Victor Meldrew Mk2

    I received this item as part of the Amazon Vine programme when it was priced at £200.00 with no delivery charge to Amazon Prime customers (11th February2021).

    The pressure washer came securely packed and required a degree of assembly to connect the hose, attach the wheels and to assemble the handle. You will require a Philips/cross head screwdriver for the handle only. Assembly takes 5 minutes.

    Once assembled you are presented with the Karcher pressure washer as illustrated. Setting up for use requires you to connect a water and power supply.

    There are two separate controls, both of which are simple to operate. An rotary on/off switch on the main body of the washer and a separate 4 option control on the spray wand; this allows for variable spray pressure for hard substances such as paving through to soft timber, such as garden furniture (easy to operate rotary controller with a graphic display). Additionally there is a separate high pressure lance which directs a more concentrated and powerful jet for hard or stubborn stains. Personally I found that the variable lance offers sufficient force to tackle the majority of jobs, including removing heavy deposits off car alloy wheels. Both lances are easy to remove and secure.

    The Kärcher K4 comes with the added Plug and Clean system whereby you can attach a bottle of concentrated detergent or similar which will be mixed in the machine and delivered under pressure. It is a significant advance on previous models where there was an option to insert a pipe to draw the concentrate into the washer. I have used the car cleaner and found that it used the concentrate far quicker than I felt was necessary and therefore I would suggest that you experiment with concentration and do not attach a full bottle the first time you use it. I found that diluting the concentrate at a rate of 5:1 was more than sufficient to coat my car in foam: you just need to decant the remaining 80% into a separate container for future use. I would also recommend that you purchase at least one of these bottles of detergent should you wish to use your own detergent in the future. as you will need a dedicated bottle

    The washer supplied to me was not the upgraded model as advertised and did not have the retractable hose . In all other respects though pressure output is the same and the model is fully functional. It works really well, the 8 metre hose and 5 metre power cable permits me to access all sides of two family saloons parked parallel on my drive.

    The unit is not exceptionally heavy, in fact the weight is quite reassuring. My wife commented that it was quite heavy, but not excessively and her only reservation would be lifting it any height (11.5kg)

    Storage is relatively simple. The hose and power cable pack neatly to the rear and the wands are held securely at the front of the main unit.

    The Kärcher App
    The Kärcher app is only used on this model to register purchase and to provide guides and tips, although higher spec models allow the app to control certain settings. A useful product guide which saves having to search for the manual if you wish to confirm any element of operation.

    A powerful mid range power washer which is ideal for the average home. There are more powerful models and those which are less powerful and smaller. For our home, this item is more than adequate for cleaning cars, which I suspect will be used for regularly, combined with annual cleaning of our patios and garden furniture. It has the added bonus of possessing two wands, a very high pressure washer and the much more convenient variable wand with four easy to control settings.

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  4. Anne Martin

    Assembly of the product was reasonably simple, it is quite heavy to manoeuvre but really doable. All that said it is really easy to use and the end result is brilliant.

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  5. L. Hernandez

    After a lot of consideration between Karcher washers I went for the K4. It came in a large box with several bits and pieces to assemble in a process guided by an app that takes 15 steps.
    I made the mistake of doing this in my garage which has a concrete floor like many others and a shocker the plastic is so soft that by the time I finished it was severely scratched everywhere, even the wheels are soft and for the price you would expect these to be more solid and made of rubber but they are not.
    It didn’t include any liquid to start using it, again why not include a single bottle.
    After getting a bottle of the official Karcher patio cleaner liquid, I began actually using it and it is okay but not impressive at all and because the lance include is very target, it takes very long to clean even a square meter, I regret buying this and I think I should have paid a somebody to clean my patio instead.

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  6. Paul Mellor

    I bought this k4 jet washer after reading the reviews. I’m a no nonsense type of guy and if it don’t work it goes and I’d speak my mind. First off it feels great, sturdy and feels like it would hold up to any job. I’ve tried it and again it inspires confidence in what you are using. It quieter than my not so old Nilfisk jet washer (never again will I buy a Nilfisk jet washer) I pleasantly surprised with my purchase. Sadly theres no soap bottle with it which I’m surprised as most seam to come with even a basic bottle to use. I’ve no down side to review other than no bottle.

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  7. gee

    Karcher has always been top of the list for pressure washers so when I was looking to replace a much older model I ordered the K4 Power Control. Well priced at £230 including 2 lances and the Patio cleaner and bottle of stone cleaner detergent. Didn’t know what to expect from the Patio cleaning head but it was fantastic. For me it cut a 4 to 5 hour job down to about 2 hours and the patio looks great. I really recommend this. Well made, works very effectively and came the day after I ordered it.

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