KARCHER Pressure Relief Kit order no. 2.209-773.0
After the timer function has turned off the device, the high-pressure unit is still under pressure. The kit reduces system pressure, thereby protecting the pressurised components. The pressure relief kit is recommended especially if lengthy pauses occur between the individual usage intervals.
HD 13/12-4 ST, HD 7/16-4 ST, HD 9/18-4 ST
Alternative part numbers :- 2209773, 2.209.773, 22097730, 2.209-773.0
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