Lennox 40K82 Control Board 326070-701 This Lennox OEM furnace part

This Lennox OEM furnace part replaces standard factory switches that may fail to close at high altitudes

Because this is an ECM (Electronically Commutated Motor)

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

and EG-75 variants

The unit features a 1/8" NPT center back connection

Lennox 40K82 Control Board 326070-701 This Lennox OEM furnace partThe 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.