Description
Lochinvar & A.O. Smith 100278242 User Interface Module
The Lochinvar & A.O. Smith 100278242 is an OEM replacement User Interface Module (UIM) designed to restore full control and diagnostic capability to compatible Lochinvar and A.O. Smith water heater and boiler systems. Running UIM firmware version 2.02 and program version 2.6.0.0, this module ensures your equipment operates with the correct software calibration straight out of the box — no field programming required.
As a direct factory replacement, the 100278242 UIM maintains seamless communication between the unit’s control board and the operator interface, enabling accurate status monitoring, fault code display, and system adjustments. Choosing the correct versioned module eliminates compatibility issues and keeps your system running at peak efficiency.
Key Features
- OEM Lochinvar & A.O. Smith replacement User Interface Module
- UIM firmware version 2.02 for accurate system communication
- Program version 2.6.0.0 pre-loaded — ready for immediate installation
- Enables fault code display, status monitoring, and operational adjustments
- Direct drop-in replacement for compatible Lochinvar and A.O. Smith units
- Ensures proper software-hardware compatibility for reliable performance
Application
This UIM is intended for use with compatible Lochinvar and A.O. Smith commercial water heaters and boilers that require the 100278242 interface module. Always verify your unit’s model and required firmware version before installation. For questions about compatibility, contact your local HVAC distributor or the manufacturer’s technical support team.
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