This HWE model is powered and heated by electricity, making it a quiet machine with no fumes. Water is heated in a stainless steel heating coil, immersed in a tank of water solution, allowing for instant hot water once you pull the trigger. The heating elements do not come in contact with the pressurized water, which results in less maintenance and minimizes scale build up. Features a 6.2 HP Baldor motor, which drives a belt-drive Hotsy Triplex pump, with 7-year warranty, an insulated variable pressure wand and a float switch. ETL certifiied. All models equipped with a 50’ hose.