Lennox 40K82 Control Board 326070-701 and EG-75 variants

and EG-75 variants

Enhanced System Logic: Provides the critical data needed for de-icing cycles and high-limit safety protocols

Because this is an ECM (Electronically Commutated Motor)

which must be sourced separately based on your application's alignment and temperature requirements

"Limit Circuit Open" error codes

Lennox 40K82 Control Board 326070-701 and EG-75 variantsThe Lennox 40K82 Control Board, also identified as the BDC3 1 Blower Circuit Control Module (Part # 40K8201), is a critical OEM component manufactured by Computime (LEN408C) for high performance Lennox residential and light commercial HVAC systems. Operating on a 24V circuit with a 1 Amp rating, this board serves as the primary blower motor control relay and timing module, ensuring precise airflow management during both heating and cooling cycles.