Point-of-Use Tankless Water Heater; Type Residential, Electric; Applicable Standard UL 499, CSA, ETL (Canada and US), CAN/CSA C22.2, ANSI/NSF 372; Inlet/Outlet Connection 3/4" Male Threaded Bottom x 3/4" Male Threaded Bottom; Power Rating of Elements 18 Kilowatt; Electrical Input Supply Rating 240 Volt 1 Phase 75 Amp; Temperature Rating 120 Deg F; Tank Dimensions 14" Width x 3.75" Depth x 17" Height; GPH Recovery 300 GPH at 25 Deg F; Efficiency Rating No Standby Loss; Energy Saver Conformance Yes; Inclusions/Features Flow Switch, Easy Installation, Digital Temperature Display, External Controls, Copper Immersion Heating Elements, 99 Percent Energy Efficient; Color Stainless Steel; Application Bath Tub; Cover Material Stainless Steel; Weight 11.25 Lb; Warranty 5 Year