Lochinvar & A.O. Smith 100304118 Control

The Lochinvar 100304118 User Interface Control Board is a critical OEM replacement component engineered for precise communication between the technician and the boiler’s central processing unit. As a genuine Lochinvar boiler part, this interface allows for real-time monitoring of HVAC parameters, sensor feedback, and modulation rates. Designed to integrate seamlessly with the SMART SYSTEM control architecture found in Knight, Cadet, and Armor series units, this board facilitates advanced boiler troubleshooting by providing clear access to error codes and configuration menus. Utilizing OEM HVAC electronics ensures that signal integrity remains consistent, preventing the common calibration drifts often associated with third-party alternatives. For contractors maintaining condensing boilers or commercial water heaters, this digital display board is essential for restoring full diagnostic oversight and system setpoint management.

Key Benefits:

• Broad Compatibility: Engineered for specific Lochinvar Knight (KBN, KBX) and A.O. Smith high-efficiency systems.
• Optimized Diagnostics: Re-establishes access to the boiler user interface for rapid fault identification and parameter adjustment.
• Rugged Design: Built to withstand the thermal cycling and humidity levels found inside sealed combustion chambers.
• Plug-and-Play Integration: Direct-fit configuration reduces labor time during control board replacement procedures.
• Operational Efficiency: Enables precise control over firing rates and pump logic to maintain peak system performance.

Common Questions:

Is the 100304118 compatible with my specific Lochinvar model?
This Lochinvar user interface is designed for modern condensing boiler systems. You should verify your specific model and serial number, as it is a direct replacement for legacy part number 100167389.

What are the symptoms of a failing boiler control board?
Common indicators include a blank or flickering digital display, unresponsive tactile buttons, or the inability to clear soft lockouts despite resolving the mechanical issue.

Does this board require specialized programming?
While the hardware is plug-and-play, technicians must often navigate the installer menu to verify local parameters and system configuration settings after installation.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.