OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
This is the genuine OEM integrated furnace control board kit (part #1183618) for the ICP / Tempstar / Heil RGS091LECA0AAA. The control board is the brain of the furnace: it manages the ignition sequence, sequences the inducer and blower motors, monitors safety circuits (limits, pressure switch, flame sense), and stores diagnostic fault codes on its LED. When the board fails, the furnace may not respond to a heat call at all, may run the blower continuously, may fail to start the inducer, or may flash an error code that points back to the board itself. The kit ships with the mounting hardware needed to drop it into the existing control box.
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP / Tempstar / Heil |
| Operating Voltage | 120V primary / 24V control |
| Functions | Ignition control, blower/inducer timing, safety monitoring, diagnostics |
| Fit | OEM Direct Replacement |
Direct OEM fit for the ICP RGS091LECA0AAA and the matching Tempstar, Heil, Comfortmaker, and Arcoaire furnaces that specify board 1183618. Match the connector layout and board part number to your existing control before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.