A.O. Smith® HETF-40 ProLine® Tall Electric Water Heater, 40 gal Tank, 240 V, 5500W

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Get smarter hot water from A. O. Smith. Our ProLine® Master Smart electric water heaters are designed with iCOMM™ Wi-Fi technology greater control, leak detection and protection to provide homeowners with peace of mind. With a 55-gallon (nominal) tank delivering 5,500 watts, the HETF-40 delivers a first hour rating of 63 gallons at an Uniform Energy Factor of 0.93. Environmentally-friendly insulation and factory-installed heat trap nipples reduce heat loss for maximum energy savings. This ProLine® water heater is designed with A. O. Smith's superior commercial-grade tank protection. Advanced tank features include stainless steel Coregard™ anode rod, Blue Diamond® glass lining and DynaClean™ automatic sediment-cleaning system, all designed to help protect the tank from the corrosive effects of water and extend the life of the water heater. All of these features are accompanied by a 10-year limited tank warranty. A. O. Smith’s ProLine® water heaters are residential products built to commercial-grade standard and are only available for purchase through professional wholesalers and contractors.