Configured for climates where incoming water temperatures are in the 60 F to 70 F range. Rated for 11 kW at 220 V; rated for 13.8 kW at 240 V. Self-modulating flow-sensor technology regulates the amount of energy required to heat the water needed. Digital temperature display showing the outlet water temperature setting. Uses 2 standard Emerson Electric heating elements with brass tops to prevent electrolysis. Stainless steel heat exchanger. Automatic resettable thermostat. 60 DP breaker required. 54A draw. Required wire: 6 AWG. Pipe fitting: 1/2 In. CF. Activation flow: .025 gallon. Energy factor: 0.998. UL and CSA certified