Robust, corrosion-resistant, self-supporting device chassis, impact-resistant device-cover made of ABS, triplex-piston pump with brass pump head, nickel plated, high-performance ceramic piston, stainless-steel valves, leakage-return, Etronic II – controls: (Start-stop system with switch-off delay, total-switch-off after 20min, OPH-counter with service information, low-water cut-off , low-fuel cut-off , optical flame monitoring with photoelectric cell and fault indicator-light, steam-stage) 2 motors system (independent of the direction of rotation) separately for H.P.Pump and heating, unloader safety-valve c/w Infi nitely variable pressure and quantity regulation, 4 large rubber wheels for rough terrain, with a patented wheel brake 2-way, storage possibility for all accessories, integ- rated diesel-tank 25l, integrated detergent-tank 20l, robust rotary on-off switch, 7,5m connection cable, removable ergonomic drawbar.