It is a direct fit for several Armstrong

making it suitable for heavy-duty HVAC mechanical loads

Top Vent Compatibility: Specifically designed for the Monterey series

it effectively manages the electrical circuit to compressor motors and condenser fans

Does this valve prevent backflow

Lochinvar & A.O. Smith 100111256 Board 326058-758 It is a direct fitThe Lochinvar & A. O. Smith 100111256 Flame Control Board is a critical OEM replacement component designed for high efficiency gas fired boilers and water heaters. As a veteran technician, you know that intermittent ignition failure or flame sensing issues often trace back to a degrading control circuit. This board serves as the primary ignition control module, supervising the entire combustion sequencefrom the initial call for heat and inducer fan