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This genuine OEM control board kit, ICP part 1183618, is the integrated furnace control (IFC) for the ICP / Tempstar / Heil RGS210HTCA0AAAA gas furnace. The control board is the brain of the furnace: it sequences the entire heating cycle — energizing the inducer, proving the pressure switch, powering the hot surface igniter, opening the gas valve, confirming flame via the sensor, and timing blower on/off delays. It also monitors safeties and flashes diagnostic fault codes through its onboard LED. Supplied as a kit, it includes the board and the mounting/connector hardware needed for a clean replacement. Control boards fail from heat stress, power surges, corrosion, and aging relays — symptoms range from no ignition to short cycling, no blower, or erratic operation.
| Spec | Value |
|---|---|
| Part Number | 1183618 |
| Type | Integrated Furnace Control Board Kit |
| Brand | ICP / Tempstar / Heil |
| Function | Ignition Sequencing, Blower Timing, Diagnostics |
| Fitment | OEM Replacement Kit |
Designed for the ICP/Tempstar/Heil RGS210HTCA0AAAA. Because OEM boards are sometimes superseded, this kit may replace earlier board revisions — verify the part number and connector layout against your existing board before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.