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The A.O. SMITH 100110122 is a flanged Incoloy heating element rated at 15 kilowatts and designed for 480/277-volt commercial electric water heater applications. The element features an Incoloy nickel-alloy sheath, which provides strong resistance to scale buildup and corrosion in demanding commercial water conditions. Medium watt density reduces sheath surface temperature, extending service life and protecting water quality. Forged steel flanges provide a robust, leak-resistant mounting base. A gasket is included for a complete installation. This element is installed by licensed commercial plumbers or HVAC/water heater technicians servicing large-capacity commercial water heating equipment.
This element is a direct replacement part for A.O. SMITH commercial electric water heaters in the DSE, CMC, SU, and DVE/DHE series. It is engineered for commercial settings where high-wattage, high-voltage elements are required to meet sustained hot water demand. The element accommodates both round and square flange configurations and is sized for a 2.5-inch bolt-circle pattern, making it compatible with standard commercial flange ports in the supported model series.
Designed as a replacement element for A.O. SMITH commercial electric water heaters in the following series: DSE, CMC, SU, and DVE/DHE.
Installation should be performed by a licensed plumber or qualified water heater technician in accordance with applicable local codes and the manufacturer service documentation. Before servicing, disconnect all electrical power to the water heater and relieve tank pressure per standard procedure. Confirm the flange bolt-circle diameter and flange shape match this element before installation. Torque the flange bolts evenly to seat the included gasket and prevent leaks.
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