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This genuine OEM control board kit (part 1183618) is the integrated furnace control (IFC) for the ICP / Heil / Tempstar RGS210HSCA0AAAA. The control board is the brain of the furnace: it sequences the ignition cycle, runs the inducer and circulating blower, monitors safety devices such as the limit and pressure switches and flame sensor, and flashes diagnostic fault codes via its onboard LED. Supplied as a kit, it includes the board and the hardware needed for a complete replacement. A failed board commonly results in a furnace that is completely dead, won't start the inducer or blower, runs the blower continuously, or repeatedly locks out despite good supporting components.
| Spec | Value |
|---|---|
| Part Number | 1183618 (Kit, Control Board) |
| Type | Integrated Furnace Control Board |
| Function | Ignition, Blower & Safety Control |
| Diagnostics | Onboard LED Fault Codes |
| Brand | ICP (Heil / Tempstar) |
| Fitment | OEM |
Designed for the ICP-built RGS210HSCA0AAAA and shared across compatible Heil, Tempstar, Comfortmaker, and Arcoaire furnaces. Always match OEM number 1183618 and the board's connector layout to your existing control before ordering.
Ships same day on orders placed before 3 PM CST. 30-day returns on unused parts. Backed by the National HVAC Parts fitment guarantee.