Reduced Downtime: Simplifies field service

Optimized Flow Control: Specifically calibrated for a CV of 25 to maintain equal percentage throttle response

it prevents critical air leakage that can disrupt the fuel-to-air ratio

found in standard HVAC control systems

While it provides superior durability in harsh environments

Lochinvar & A.O. Smith 100208486 Indicator Board 30067439-890 Reduced Downtime: Simplifies field serviceThe 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