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Karcher Pressure Washer Unloader Valve Kit Stock Number: ES553828

Genuine spare part for select models of Karcher pressure washers

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pressure washer motor will not start if lance is turned to high pressure. Have tried another lance, same result. motor starts on low pressure setting, and continues to run is lance is rotated to high pressure. Can you please help? Thanks

By frank michaux - kerikeri - 14 August 2019
  • eSpares Staff from eSpares
    eSpares Staff at eSpares says...

    it is likely to be the valve causing the issue but check out our diagnosing video https://www.youtube.com/watch?v=4WZgprLndhU just copy and paste into your browser.

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By John Bauer - Barnham, Suffolk - 15 July 2019
  • eSpares Staff from eSpares
    eSpares Staff at eSpares says...

    Unfortunately, we do not have a video on this repair at this time but keep watching in the future.

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By Anonymous - WALES - 28 July 2014
  • Chris from eSpares
    Chris at eSpares says...

    This is listed for a K411 A (1.994-972.00). We do not have a exploded diagram for that production number and it is not shown on another K411 A diagram.

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Please confirm that the washer unloader valve kit will fit my K411A

By swanseajock - - 30 June 2009
  • Yes it does fit and easy to install. By swanseajock - Weston Super Mare - 10 July 2009
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I have a 411a washer and the part that I need appears somewhat different to the one pictured. The part that I am looking for is similar in that it fits into the valve body and locks in place by a half turn but mine is made of nylon and far simpler in design than that shown.

By boisty - - 10 October 2008
  • Rory from eSpares
    Rory at eSpares says...

    Hi Boisty, After looking in to this we must apologise and inform you that this part is not compatible with your Karcher K411A pressure washer. Unfortunately we do not carry an unloader valve for your pressure washer, however we do stock a range of other valves for the K411A. We are going to look in to stocking an unloader valve with our suppliers and hopefully we will have one in the near future.

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Karcher Pressure Washer Unloader Valve Kit

£52.38
(inc. VAT)
£52.38