EcoSMART 240V Single Phase 27kW Electric Tankless Water Heater Configured for cold climates or high flow rates. Well suited where incoming water temperature can drop below 45 deg. F. For use in more demanding water usage applications. 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 3 9 kW standard Emerson electric heating elements with brass tops to prevent electrolysis. Copper heat exchanger. Automatic resettable thermostat. 3 40 DP breakers required. 112A draw. Required wire 3 sets 8 AWG. Pipe fitting 3/4 NPT. Energy factor 0.998. UL and CSA certified. Dimensions 17 x 17.75 x 4.25 . Weight 11 lb. Lifetime warranty. Capacity 5.25 gpm, Type Tankless, Fuel Type Electric, Wattage 27000W, Voltage 240V, Height 17-3/4 In., Width 17 In., Depth 4-1/4 In., For Mobile Home Use No, Uniform Energy Factor 0.998, Warranty Lifetime, Pkg Qty 1, Package Type Box