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This genuine OEM control board kit (part 1183618) is the integrated furnace control (IFC) brain of the ICP / Heil / Tempstar RGS210HREA0AAAA gas furnace. The board sequences the entire heating cycle — energizing the inducer, running the pre-purge, firing the igniter, opening the gas valve, proving flame, and timing the blower on and off — while monitoring safety limits and pressure switches throughout. It also drives the cooling and continuous-fan circuits and reports faults through its onboard diagnostic LED. A failed control board typically causes a completely dead furnace, no inducer or blower operation, ignition that never starts, intermittent lockouts, or erratic blower behavior. Supplied as a kit for a clean OEM replacement, this board restores correct sequencing and safety control.
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated furnace control board kit |
| Brand | ICP / Heil / Tempstar |
| Control Voltage | 24V |
| Function | Ignition sequencing, blower timing, safety control |
| Diagnostics | Onboard fault LED |
| Fit | OEM replacement |
Built for the ICP RGS210HREA0AAAA furnace and the shared Heil, Tempstar, Day & Night, KeepRite, Comfortmaker, and Arcoaire units that use control board kit 1183618. Verify the board's connector layout matches your existing control before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.