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This genuine OEM control board kit (part number 1183618) is the integrated furnace control (IFC) for ICP / Tempstar / Heil gas furnaces. The board is the brain of the furnace — it manages the ignition sequence, blower and inducer timing, safety-limit and pressure-switch monitoring, flame sensing, and thermostat communication. The kit includes the replacement board and mounting/connection components needed for installation. When a control board fails, the furnace may be completely unresponsive, fail to start the inducer or igniter, lock out on a fault, or run the blower continuously. Common failure causes include power surges, overheating, cracked solder joints, and burned relay contacts on the board itself.
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Function | Ignition, blower & inducer timing, safety monitoring |
| Application | Gas Furnace |
| Brand | ICP / Tempstar / Heil |
| Fit | OEM Replacement |
Fits ICP, Tempstar, Heil, Comfortmaker, and Arcoaire gas furnaces that use the 1183618 control board kit, including model RGS210SRAA0AAAA. Match the OEM board part number exactly before ordering, as control boards are model-specific.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.