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      my kb4040 just hums when turned on (no water pressure) is this likely to be the capacitor?

      Answer this Question (1 Answer)

      • Chris from eSpares
        Chris at eSpares says...

        There is a high chance the capacitor is faulty. For information on your repair see our video: How to Diagnose Pressure Washer Electrical Problems: http://www.espares.co.uk/advice/8/3267

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      Pressure Washer Capacitor - 20UF Stock Number: ES538532

      Main product image View full product details

      Genuine spare part for select models of Karcher pressure washers

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