Description Isolated tank design reduces conductive heat loss Premium grade anode rod provides long-lasting tank protection Electric junction box located above heating elements for easy installation Over-temperature protector cuts off power in excess temperature situations Automatic thermostat keeps water at desired temperature EverKleen self-cleaning device fights harmful sediment build-up with a high-velocity spiraling water stream - helps operating efficiency by saving energy, money and improving tank life Low lead compliant Dimensions:23 in Dia x 48 in Height Electrical Ratings:4500 W, 240 VAC, 1 Phase Energy Efficiency:95 % Heating Element: Copper Includes: Temperature and Pressure Relief Valve Recovery Rate:21 gph at 90 Deg F Special Features:50-1/2 in Height to Water Connection Standards: ANSI, NAECA, ASHRAE Standard 90, ICC Code, UL Listed Tank Capacity:50 gal Type: Medium Usage: For Residential Applications