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Karcher 399 M plus

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3 Reviews

Brand: Karcher

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    3 Reviews
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      17.07.2014 18:50
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      A simple pressure washer for simple tasks

      The Karcher jetwash is a reasonable product in my opinion, it gets the job done but is no way near the quality or sophistication of other models or brands. I found myself to be a little disappointed that this was a Karcher product, having borrowed one of my friend''''s units previously (and found it to be quite good). This unit comes with no extra attachments, but other models may come with the brush, nozzle extender and different nozzles. Although I haven''''t tried it myself, I''''m sure you could buy "replacement" parts which would fit and work fine.


      The jetwash is fairly powerful, I have used it to clean my outdoor decking and my car, where it was effective for both tasks. The nozzle is adaptable, changing from a mist-like spray to a more powerful single beam, and this is quite a useful feature. The jetwash clips onto a Hozelock hose/nozzle with minimal problems and mine has not leaked as of yet (I have owned this for nearly two years). The unit can be moved around but it is not exactly very easy- the wires can become tangled and fiddly. As well as this, storing the unit is hard for the exact same reason- the wires can become a nightmare!


      To sum up, the product is very easy to use- just plug in, turn on and shoot! The downside is manoeuvrability (since it needs both a connection to water and electricity) and then storage later. The price is decent for the product since it is not overly advanced, but for a serious user it might be worth looking into other brands.

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      06.02.2012 19:30

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      Okay, if you don't mind it leaving the car a bit dirty still

      This being the first pressure washer i have owned, and have done so for the past 3-4 years.

      Bought this as it looked like it should do the trick, and for the price, do it well.

      When using it on the cars, it cleans, but not well. Let me explain, you can use this to clean your cars if you do not wish for them to be completely clean. When using this it manages to leave areas of dirt on the car which it just can't remove. Have reverted back to the good old fashioned way using a bucket and sponge. And no, i am not obsessive about the car being spotless, but when you pay that much money, you expect the car to look clean to the average person when they have a look.

      There also seems to be some joinery issues, there's always a slight leak from connection points, not catastrophic but still there.

      Attachment is okay for car, and fiddly to adjust settings as quite stiff.

      The build quality of materials seem to be very strong and can handle being thrown around a bit. Nice big handle and holder for the hose come in handy.

      If your going to pay this amount of money and have owned a pressure washer that cleaned cars fine, avoid the item.

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      24.06.2007 23:07

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      Buy a Bosch

      After 7 years my Bosch pressure washer gave up the ghost, (I left it on overnight without water, which didn't help!)

      I thought I would buy a "Karcher", surely best of breed...

      I bought a K3.99 from B&Q (£140) after using it for 20-30 minutes it started to leak internally. The connection between the hose and the pump was leaking. I thought maybe it was a misplaced "o" ring, so back to B&Q for a new one,
      B&Q obliged The replacement K3.99 did the same after 30-40 minutes!

      So I thought I'll buy a better Karcher model K5.00 (£175), after 2 days use pop! the connector became disconnected, back to B&Q for a refund.

      In summary, it seems that the sudden shock of the solenoid stopping the flow of water puts the internal connection under undue strain. (the (low pressure) hose kicks slightly when you release the trigger)

      I subsequently bought a Bosch 1250, which has been faultless so far, interestingly the solenoid seems to close progressively over less than a second, which seems to be less stressful. I would not recommend Karcher, buy a Bosch.

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  • Product Details

    Estimated Price: 133 £ / Pressure: 110 bar / Flow Rate: 380 l/h / Power: 1700 Watt / Weight: 12 kg