Lennox 52M46 Control Board 30067439-890 supporting 24 VAC/DC or 208-277

supporting 24 VAC/DC or 208-277 VAC inputs

The Lennox X7935 is a professional-grade MERV 16 pleated filter designed for the Healthy Climate Carbon Clean 16 air filtration system

Engineered specifically for ICP furnace control board replacement applications

As a veteran-preferred ASME rated and CSA listed safety device

while a lower pitch results in insufficient airflow and high head pressure

Lennox 52M46 Control Board 30067439-890 supporting 24 VAC/DC or 208-277The Lennox 52M46 Control Board, also identified by part number 52M4601, is the direct replacement integrated furnace control (IFC) for reliable ignition and blower motor management in Lennox G40, G41, and G50 series units. Optimized for single stage gas furnaces, this circuit board manages the hot surface ignitor (HSI) timing and flame rectification sensing to ensure stable combustion cycles. Contractors often source this for diagnostic code flashes