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Hi,i have a Karcher 5.5 which pulses when on standby with water connected.It stops when i press trigger but does seem to have lost pressure.What parts

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  • I have had the same problem with a K4.99M. I found a hairline crack in the control head body (which I replaced - this stopped the surging), and also the nozzle in the Vario Lance was cracked (not possible to buy just the nozzle), so I bought a new lance, which cured the low pressure problem. I think that both of these problems were caused by freezing damage. By rog3141 - Basingstoke - 19 June 2010

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Karcher Pressure Washer Control Head Parts Set Stock Number: ES538412

Genuine spare part for select Karcher pressure washers

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