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The AO SMITH 100111024 is a short-style electronic anode designed to protect water heater tanks from corrosion. Unlike traditional sacrificial magnesium anodes, an electronic anode uses an impressed-current method to suppress electrochemical corrosion activity inside the tank. This component is installed directly into the water heater and operates without depleting over time the way a passive anode rod does. It is typically serviced or replaced by licensed plumbers during water heater maintenance or when tank protection needs to be restored.
The 100111024 short-format electronic anode is suited for residential water heaters where vertical clearance above the unit is limited, making standard-length anode installation impractical. The short configuration allows access in tight mechanical rooms, closet installations, and low-ceiling utility spaces without requiring tank removal or significant repositioning of the unit.
Designed as an OEM-style replacement electronic anode for AO SMITH residential water heaters requiring a short-style anode rod port.
Installation and replacement of anode components should be performed by a licensed plumber. Before servicing, shut off the cold water supply and disconnect electrical power or close the gas valve to the water heater. Allow the tank to cool and relieve pressure before removing the existing anode. Follow applicable local plumbing codes and the manufacturer service documentation when installing this component.
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