my 720mx has pressure loss could this be due to a sticking piston as water back feeds through the chemical tank when washer is not on
Answer this Question (1 Answer)
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Rory at eSpares says...
Hi Stevej There are several reasons why your Karcher K720MX has this particular problem, so we would recommend talking to your nearest Karcher specialist. However if it is the piston you need it can be found here: http://www.espares.co.uk/part/pressure-washers/karcher/p/1315/877/0/0/952847/complete-control-piston.html
Pump Set Stock Number: ES952756
From serial number 356136
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