Nordyne 1045840 Furnace Control Board | 1170-83-3003 - F69NU

Nordyne 1045840 Furnace Control Board | 1170-83-3003 | 1170-300 | Tested Condition: Used – Clean, Tested & Fully Working Availability: Ready for Pickup / Fast Response Key Specifications Brand: NORDYNE Part Number: 1045840 Board Numbers: 1170-83-3003 1170-300 Type: Integrated Furnace Control Board (IFC) Application: Residential Gas Furnace Control Thermostat Compatibility: Standard 24VAC thermostat wiring Thermostat Terminals Y/Y2 – Cooling / 2nd Stage Cooling Y1 – 1st Stage Cooling G – Indoor Fan W2 – 2nd Stage Heat W1 – 1st Stage Heat C – 24V Common R – 24V Power Line Voltage & Accessory Connections EAC – Electronic Air Cleaner XFMR – Transformer LINE – Line Voltage LINE – Line Voltage Major Components Main control microcontroller / IC Four top-mounted control relays Large K1 relay 3-Amp purple automotive blade fuse Two large electrolytic capacitors Multiple power resistor banks Integrated furnace control circuitry Connectors 6-Pin Expansion Port 12-Pin (3×4) Main Harness Connector 5-Pin White Header / Terminal Block Compatibility Replacement board for systems using: Nordyne 1045840 1170-83-3003 1170-300 ⚠️ Please verify your existing board number and connector configuration before purchasing. Part numbers and connector layouts should match exactly for proper replacement. Why Buy This One? ✔️ OEM Nordyne control board ✔️ Used but clean condition ✔️ Tested and fully functional ✔️ Standard thermostat connections ✔️ Includes EAC accessory connection ✔️ Cost-effective alternative to a new control board ✔️ Ready for installation Pickup: Toronto / GTA