Lennox 56M61 Circuit Board R-410A the motor winding or bearings

the motor winding or bearings may be compromised

ensuring seamless pneumatic thermostat compatibility and simplified field installation

protecting the heat exchanger from improper combustion conditions

Built with a rugged brass body and high-grade internal components

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

Lennox 56M61 Circuit Board R-410A the motor winding or bearingsThe 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