Lennox 25B73 Control Board 328140-751 This component is specifically rated

This component is specifically rated for 120 Volts

This silicon carbide ignitor provides the necessary thermal mass to reach ignition temperatures rapidly

Technicians should look for high superheat at the evaporator outlet (underfeeding) or frost buildup on the suction line and compressor (overfeeding)

Can I use this board for single-zone MUZ units

Optimized System Uptime: Engineered as a direct ASCO AH4E212A4 replacement for rapid field installation

Lennox 25B73 Control Board 328140-751 This component is specifically ratedThe Lennox 25B73 Control Board (part number 107626 01) is a critical OEM component designed to manage the startup sequences, safety interlocks, and communication between major HVAC components. As a direct replacement furnace control board, it regulates the operation of the inducer motor, gas valve, and blower motor, ensuring that ignition and shutdown cycles are handled with precision. This PC control board is engineered specifically for select Lennox