Lennox 56M61 Circuit Board R-410A this specific control is designed

this specific control is designed for 24 VAC (18-30 VAC) input only

securing the long-term operational efficiency of liquid and suction line applications

Key Benefits Versatile Control Logic: Supports 0-10Vdc and 4-20mA proportional signals for seamless integration with modern building automation systems

this microprocessor-based board regulates the gas valve

the motor winding or bearings may be compromised

Lennox 56M61 Circuit Board R-410A this specific control is designedThe Lennox 56M61 is a genuine OEM ignition control circuit board designed for high performance residential and commercial HVAC units. Operating at 208 240V, this board serves as the primary intelligence for the heating ignition sequence, precisely managing the flame sensor feedback, gas valve calibration, and induction blower timing. As a direct Lennox replacement part, it eliminates the communication errors and voltage fluctuations often associated