Electric Tankless Water Heater Point-of-Use Water Heater Application Eyewash Commercial Watts - Water Heaters 16 000 Amps - Water Heaters 58 Voltage - Water Heaters 277 Min Flow Activation 1.50 gpm Phase - Water Heaters 1 Temp Range - Water Heaters 60 Degrees to 90 Degrees F Water Connection 3/4 in MNPT Temp Rise @ 1.5 GPM 73 Degrees F Temp Rise @ 2.5 GPM - Water Heaters 44 Degrees F Temp Rise @ 4.0 GPM 27 Degrees F