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This is a genuine OEM integrated furnace control board (part number 1184783) for the ICP/Tempstar/Heil WFAR040A030A1 furnace. The control board is the brain of the furnace — it sequences the draft inducer, hot surface igniter, gas valve, and blower while monitoring the pressure switch, limit switches, and flame sensor for safe operation. A failed control board produces a wide range of symptoms: no response to the thermostat, an inducer or blower that will not start, an igniter that never energizes, or a board that locks out and flashes a diagnostic fault code. Boards commonly fail from voltage surges, cracked solder joints, blown onboard fuses, or burnt relay contacts. Replacing with the correct OEM board restores the full ignition and safety sequence.
| Spec | Value |
|---|---|
| Part Number | 1184783 |
| Type | Integrated Furnace Control Board |
| Brand | ICP / Tempstar / Heil |
| Line Voltage | 120V |
| Control Voltage | 24V |
| Application | Furnace Ignition & Blower Control |
| Fitment | OEM Replacement |
Direct factory replacement for the ICP/Tempstar/Heil WFAR040A030A1 furnace and the Comfortmaker, Arcoaire, and KeepRite versions of this model platform. Match the board's connector layout and part number to your existing board before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.