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This OEM hot surface igniter (HSI) is the ignition component for the ICP / Tempstar / Heil RGS090SEBA0AGAA gas furnace. On a call for heat, the furnace control board energizes the igniter, which glows red-hot to light the burners as the gas valve opens. A cracked, eroded, or open igniter is one of the most common causes of furnace no-heat lockouts. This listing includes OEM igniter 1171306 and OEM igniter wiring kit 1188370, so you have the connector and harness needed for a clean replacement. Hot surface igniters are brittle and wear out over thousands of heating cycles — symptoms of failure include no ignition, repeated lockouts after a few ignition attempts, or an igniter that fails to glow.
| Spec | Value |
|---|---|
| Part Number | 1171306 (igniter), 1188370 (wiring kit) |
| Type | Hot Surface Igniter (HSI) |
| Brand | ICP / Tempstar / Heil |
| Application | Gas furnace burner ignition |
| Includes | Igniter + igniter wiring kit |
| Fitment | OEM direct replacement |
Engineered as a direct-fit OEM replacement for the ICP / Tempstar / Heil RGS090SEBA0AGAA gas furnace. ICP-built equipment is sold under multiple labels (Tempstar, Heil, Comfortmaker, Day & Night, Arcoaire), so this igniter may also fit equivalent 90,000 BTU RGS-series models. Verify your existing igniter part number before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.