Lochinvar & A.O. Smith 100208486 Indicator Board

The Lochinvar & A.O. Smith 100208486 Indicator Board is a critical diagnostic component designed for Copper-Fin II boiler and water heater systems. This OEM display interface provides real-time visual feedback on system status, allowing technicians to monitor the firing rate, blower power levels, and RPM diagnostics directly from the unit. As a direct replacement for legacy part numbers RLY2044 and RLY2044K, this board ensures seamless communication between the main control module and the user interface. It is engineered to handle the synchronized combustion sequences typical of high-capacity commercial heating systems, making it an essential part for maintaining operational safety and efficiency in models ranging from CB987 to 2067. Professional installation is required to ensure proper control board calibration and to prevent fault messages during the boot sequence.

• Direct OEM Compatibility: Serves as a drop-in replacement for Lochinvar 100208486 and obsolete RLY2044K boards, ensuring perfect fitment and connector alignment.
• Advanced Visual Diagnostics: Features a clear interface for monitoring blower power levels and combustion firing rates, reducing troubleshooting time in the field.
• Enhanced System Monitoring: Provides immediate feedback on flow switch status and blower motor performance, critical for boiler safety protocols.
• Rugged Commercial Grade: Built to withstand the high-temperature environments of Copper-Fin II boiler rooms and integrated combustion systems.

Is the 100208486 interchangeable with RLY2044?
Yes, the A.O. Smith 100208486 is the updated, identical replacement for both RLY2044 and RLY2044K manufacturer part numbers.

Which boiler models use this indicator board?
This board is specifically designed for Lochinvar Copper-Fin II models including CB987-2067 boilers and CW987-2067 water heaters.

Can I install this board without a technician?
Installation by a certified HVACR professional is highly recommended to ensure correct fault code resetting and proper interface with the primary control module.

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.