Electric pressure washer series krcher k4 max working pressure 130 bar min working pressure 20 bar water flow rate lh 420 lh area performance 30 mh configuration options variable pressure control power 2 100 watt power hp 29 hp pump operation mains 230 v max water feed temperature 40 c included in delivery vario power spray lance dirt blaster high pressure hose trigger gun features detergent tank integrated fine mesh water filter telescopic