Richmond Essential Electric Water Heater, 240 V, Wattage Rating: 4500 W, Number of Phases: 1, Tank Capacity: 30 gal, Energy Efficiency: 0.92, Recovery Rate: 16 gph, Water Connection Size: 3/4 in, Water Connection Type: NPT, Dimensions: 19-1/4 in Dia x 47-3/4 in H, Includes: Temperature and Pressure Relief Valve