Hot Water Pressure Washer. Key Features: Kärcher’s direct-drive Axial pumps Industrial-grade axial pump Efficient burner uses less fuel Complete machine shut-down at the gun Low fuel shut-off / low water protection High temperature protection Variable flow, PSI, temp, & soap ETL certified to UL and CSA standards.Kärcher’s German-built electric hot water machines are the most advanced on the market, featuring Kärcher’s patented axial pump integrated with a 4-pole water-cooled motor for optimum efficiency. Kärcher’s efficient and compact down – draft-fired burner uses far less fuel than standard coils. Units come standard with anti-scale system, low-fuel shut-off, low-water protection, high-temperature shut-off, thermal overload protection, pivoting spray lance, soft-grip gun, 50’ hose, and high-impact Power Nozzle. Also unique to Kärch – er are variable water flow, pressure, temperature, and deter – gent metering. All units are ETL certified to UL and CSA standards.