LB-63622A | Lennox BCC3 Furnace Fan Control Board Replacement New 4-inch TFT LCD interface designed

4-inch TFT LCD interface designed to enhance operator visibility and usability

Lead-Lined Door Compatibility: Screw hole pattern designed to straddle lead lining within heavy or radiation-shielded doors

Compact module design: Small footprint for space-constrained control panels

Along the right edge of the IS200TBCIH1C

LB-63622A | Lennox BCC3 Furnace Fan Control Board Replacement New 4-inch TFT LCD interface designedDescription The Lennox LB 63622A Fan Control Board is an OEM replacement control module designed to regulate fan and furnace operation in gas HVAC systems. Identified by part number LB 63622A, this board manages low voltage control signals to ensure proper airflow sequencing and system safety. It is used in compatible Lennox furnaces and central HVAC applications requiring dependable fan control logic. Technical Specifications Condition New Never Used