OPTIMAL DELIVERY VOLUME: 14 lt/min (840 lt/hr). The flow rate is the most important value of a pressure washer because it identifies the true performance of the machine HIGH OPERATING PRESSURE: 210 bar, among the highest working pressure in its category. HOT WATER Maximum 140 degrees Celsius. THERMOSTAT The temperature is infinitely adjustable up to 140 degrees Celsius. PUMP Professional axial pump with brass cylinder head. ENGINE STOP Automatic delayed stop of the engine when the gun is released DIESEL ENGINE Hyundai diesel engine with low CO2 emissions and reduced consumption.