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The Lennox 71M2801 is a circuit board kit (MCC1-1) that functions as an OEM replacement control board for compatible Lennox packaged rooftop units, air handlers, and furnaces. Operating on 120V AC, the board manages ignition sequencing, blower motor timing, continuous safety-circuit monitoring and voltage regulation. It includes an integrated microprocessor with diagnostics, a seven-segment display and requires technician configuration to the correct BTU and blower capacity.
OEM Lennox MCC1-1 replacement control board for packaged HVAC units with integrated diagnostics and configurable programming
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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