Lennox 100973-01 Furnace Control Board | 1012-83-9691A

Lennox 100973-01 Furnace Control Board | 1012-83-9691A | OEM Integrated Furnace Control (IFC) Board | Tested Condition: Used – Tested & Fully Functional Availability: Ready for Pickup Key Specifications Manufacturer: Lennox OEM Part Number: 100973-01 PCB Number: 1012-83-9691A Additional Board Numbers: 4206N174740 1012-969 Image Label: F32LU Component Type: Integrated Furnace Control (IFC) Board Control Voltage: 24VAC Maximum Fuse: 3 Amp Automotive Blade Fuse Diagnostics: Dual LED Status Indicators (Red & Green) Terminal Connections Thermostat Terminals Standard 24V thermostat connections: R – 24VAC Power C – Common W – Heat Call Y – Cooling Call G – Indoor Fan Line Voltage & Motor Connections FLAME – Flame Sensor Terminal PARK / PA – Unused Blower Motor Speed Parking Terminals NEUTRALS – Four Neutral Quick-Connect Terminals Harness Connectors 12-Pin Main Harness Connector 3-Pin Auxiliary Harness Connector Major Components Power Relays Potter & Brumfield T9AV5D12-22 Coil: 22VDC Form C 20A @ 240VAC (N.O.) 10A @ 240VAC (N.C.) Potter & Brumfield T9AV1D12-22 Coil: 22VDC Form A 30A @ 240VAC Potter & Brumfield T7CS1D2-12 Coil: 12VDC 5A @ 120VAC Potter & Brumfield T77V1D10-12 Coil: 12VDC 10A @ 120VAC 10A @ 30VDC Resistive Electronic Components Dual control microprocessors MOC3022 optoisolator Heavy-duty relay drivers Replaceable 3A automotive fuse Diagnostic Features DS1: Red Status LED DS2: Green Status LED Provides onboard diagnostic fault indication for troubleshooting furnace operation. Features ✔ Genuine Lennox OEM control board ✔ Integrated ignition and blower control ✔ Heating and cooling operation ✔ Built-in diagnostic LEDs ✔ Standard thermostat compatibility ✔ Replaceable 3A fuse ✔ Tested and ready for installation Compatibility Direct replacement numbers: 100973-01 1012-83-9691A 1012-969 4206N174740 Commonly used in select Lennox residential gas furnaces. ⚠️ Please verify: Furnace model number OEM board number Connector locations Terminal configuration before purchasing. Why Buy This Board? Genuine Lennox OEM part Fully tested and working Original relay configuration Built-in fault diagnostics Hard-to-find replacement board Ready for installation Pickup Toronto / GTA