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This is a genuine OEM control board kit (part #1183618) for ICP / Tempstar / Heil furnace model RGS213SSCA0AAAA. The integrated furnace control board is the brain of the unit — it manages the ignition sequence, monitors the flame sensor and limit/pressure safeties, sequences the inducer and blower motors, and runs the on-board diagnostic LED. Supplied as a complete kit, it includes the mounting and connection hardware needed for a clean replacement. Control boards typically fail from voltage surges, overheating, corrosion, or burned relays. Symptoms include a completely dead furnace, a board that won't initiate ignition, blowers or inducers that run continuously or not at all, or a diagnostic LED flashing a hard-fault/board error code.
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP |
| Includes | Control board + mounting hardware |
| Application | Gas Furnace |
Fits ICP, Tempstar, Heil, Comfortmaker and Arcoaire furnace model RGS213SSCA0AAAA and related units originally equipped with OEM part 1183618. Match your existing board's part number and connector layout before installing.
Ships same day on orders placed before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.