Electric Tankless Water Heater Point-of-Use Water Heater Application Undersink Commercial Watts - Water Heaters 4800 Amps - Water Heaters 20 Voltage - Water Heaters 240 Min Flow Activation 0.30 gpm Phase - Water Heaters 1 Temp Range - Water Heaters 105 Degrees to 110 Degrees F Water Connection 3/8 in Compression Temp Rise @ 0.5 GPM 66 Degrees F Temp Rise @ 1.5 GPM 22 Degrees F Temp Rise @ 6.0 GPM 12/16 Degrees F Temp Rise @ 2.5 GPM - Water Heaters 13 Degrees F