Electric Tankless Water Heater Whole House Water Heater Application General Purpose 10 800/14 400 Watts Amps AC 60 Voltage 208/240VAC 1 Phase Min Flow Activation 0.50 gpm Temp Range 86 Degrees to 140 Degrees F Water Connection 3/4 in NPT Temp Rise @ 1.5 GPM 49/66 Degrees F Temp Rise @ 6.0 GPM 12/16 Degrees F Temp Rise @ 2.5 GPM 30/39 Degrees F Temp Rise @ 4.0 GPM 18/25 Degrees F Temp Rise @ 8.0 GPM 9/12 Degrees F Commercial Elements Copper Sheathed Housed in Cylinder