Lennox SureLight 100870-02 Furnace Board - S9230F1006 - F44LU

Lennox SureLight 100870-02 Furnace Control Board | Honeywell S9230F1006 | OEM Variable Speed Integrated Furnace Control (IFC) Board | Tested Condition: Used – Tested & Fully Functional Availability: Ready for Pickup Key Specifications Manufacturer: Honeywell (OEM for Lennox) Brand: Lennox SureLight Lennox Part Number: 100870-02 Honeywell Part Number: S9230F1006 Board Software: REV 1.12.1 Image Label: F44LU Component Type: Variable Speed Integrated Furnace Control (IFC) Board System Type: Variable-Speed Gas Furnace Control Board Manufactured In: Mexico Terminal Connections Thermostat Connections Supports conventional, two-stage, and heat pump applications: R – 24VAC Power C – Common W – Heat Y – Cooling G – Indoor Fan Two-Stage Compressor Support Heat Pump Support Dehumidification (DEHUM) Harmony System Compatible Sensor Connections Discharge Air Sensor Outdoor Sensor Accessory Outputs HUM – Humidifier EAC – Electronic Air Cleaner SENSE – Flame Sensor L1 – Line Voltage Neutral Connections E1 E2 E3 E5 E6 Harness Connectors 16-Pin Main Harness Connector 12-Pin Auxiliary Harness Connector 5-Pin Connector 4-Pin Communication Connector Major Components Power Relays Omron G5Q-14 DC18V Relay (2) Panasonic / Matsushita LK Series Relays (4) OEM Control Relays Electronic Components Honeywell high-performance microprocessor Variable-speed blower control Four diagnostic LEDs: E-COM STATUS CFM SPEED Heavy-duty ceramic power resistor Integrated ignition and blower management Features ✔ Genuine Lennox / Honeywell OEM control board ✔ Designed for Variable-Speed Furnaces ✔ SureLight Integrated Furnace Control ✔ Supports two-stage compressor operation ✔ Heat pump compatible ✔ Harmony zoning compatible ✔ Dehumidification (DEHUM) support ✔ Variable-speed ECM blower control ✔ Humidifier output ✔ Electronic Air Cleaner output ✔ Four onboard diagnostic LEDs ✔ Tested and ready for installation Compatibility Direct replacement for: Lennox 100870-02 Honeywell S9230F1006 Commonly found in select Lennox high-efficiency variable-speed furnaces equipped with the SureLight control system. ⚠️ Always verify your furnace model number, connector layout, software revision, and original board part number before purchasing. Why Buy This Board? ✔ Genuine Lennox / Honeywell OEM replacement ✔ Variable-speed ECM furnace control ✔ Supports heat pump and two-stage systems ✔ Compatible with Lennox Harmony zoning ✔ Built-in diagnostic LEDs for troubleshooting ✔ Fully tested and ready to install Pickup Toronto / GTA Fast response. Local pickup available.