Configured for climates where incoming water temperatures are in the 60 deg. to 70 deg. F. range. 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 standard Emerson Electric heating elements with brass tops to prevent electrolysis. Stainless steel heat exchanger. Automatic resettable thermostat. 40 DP breaker required. 27A draw. Required wire: 8 AWG. Pipe fitting: 1/2″ NPT. Activation flow: .25 gallon. Energy factor: 0.998. UL and CSA certified. Dimensions: 12″ x 9.5″ x 4″. Weight: 4.75 lb. Limited lifetime warranty.