£100 cash back (redeemable from manufacturer) The Kärcher HDS7/10-4M is a new generation of Kärcher’s flagship hot water high-pressure cleaner. Designed for heavy duty, these machines reach new levels of performance, reliability & economy. The new design features a low speed 4-pole, air-cooled electric motor with long-life bearings & 3-piston axial pump with ceramic pistons. Toughened components, enhanced design & rigorous testing make these new machines suitable for extended periods of continuous operation. With innovative features such as the ECO mode, they can provide a 20% fuel saving without compromising cleaning performance. These units also feature a new machine protector system to help prevent limescale; a new 3-year heater coil warranty; new user friendly control panel with LED warnings; new layout offering easy access to all service components; plus a new design to provide enhanced mobility. They also feature a low fuel cut-out facility, motor protection switch to guard against overload, & a flue gas temperature limiter that switches off the drive motor if flue gas exceeds 300 degrees C.