Electric pressure washer series krcher k4 max working pressure 130 bar min working pressure 20 bar max pump pressure 1 885 psi water flow rate lh 420 lh area performance 30 mh configuration options variable pressure control power 1 800 watt power hp 25 hp pump operation mains 230 v max water feed temperature 40 c included in delivery vario power spray lance trigger gun high pressure hose dirt blaster features garden hose adapter integrate