The SIP TEMPEST PH660/120HDS Hot Water & Steam Electric Pressure Washer is an all-in-one commercial solution packed with intuitive features that provide power, durability, and user-friendliness, including a brass-headed COMET crankshaft pump, powerful diesel-fired boiler, and easy-to-use control panel. Perfect for hot and cold water performance in commercial applications. 1740psi (120bar) variable pressure and 660ltrhr variable flow rate 1400rpm 4-pole slow-running brushless induction motor for quieter operation and double lifespan Brass-headed COMET Triplex in-line crankshaft pump for durability 85C to 140C hot output temperature via a powerful diesel-fired boiler Total Stop function stops power when the machine is not in use, for reduced energy consumption, higher cost savings, and reduced pump wear and tear Metal lance with adjustable nozzle and rubber shroud protection Integrated robust front and rear bumpers for added protection Built-in temperature setting thermostat an