Rheem® Heavy-Duty Electric Water Heater, Model: ES, 120 gal Capacity, 184259 Btu/hr, 54 kW, 558 gph Recovery Rate, 98 % Efficiency, 9 Elements, 6000 W Element Wattage, 480 V, NPT Connection, 1-1/2 in Connection, 150 psi, Class G Fuse, 3 A Fuse, Surface-Mounted Thermostat, Steel, Finish: Porcelain Enamel, 120 to 181 deg F, 67-5/8 in H x 30-1/4 in W x 36 in D, 42.13 in Sink Length, Pre-Wired Wiring, Screw-In Element, Stainless Steel Element, Additional Information: Electric Fuel