Answer this Question (2 Answers)

• Yes there are shoulders on the plug which snap off (to protect the pump) if exposed to frost eg; and the O ring seal will then allow water to leak depends which one has blown, low pressure side will not give any pressure at lance and leak , High pressure will give some pressure but will leak badly By peter47 - Wales - 01 April 2010
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  Rory at eSpares says...

  Hi Caffs, there's a number of reasons why your washer is leaking. Check out a help article here on it: http://www.espares.co.uk/advice/pressure-washers/a/8/158/common-pressure-washer-faults.html