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This OEM hot surface igniter (HSI) is the direct-replacement ignition component for the ICP/Tempstar/Heil RGS120SRBB0AAA gas furnace. The igniter is energized at the start of each heat call and glows to roughly 2,000°F to ignite the burner gas. It is one of the most common furnace failure points — the brittle silicon-carbide or silicon-nitride element cracks from thermal cycling, contamination, or rough handling. When it fails, the furnace blower may run but produce no heat, the burners never light, or the control board locks out after several failed ignition attempts. This listing ships as OEM part number 1171306 (IGNITOR) and includes 1188370 (WIRING KIT IGNITER) so the harness pigtail and connector are replaced together for a clean, reliable install.
| Spec | Value |
|---|---|
| Part Number | 1171306 (igniter), 1188370 (wiring kit) |
| Type | Hot Surface Igniter (HSI) |
| Brand | ICP / Tempstar / Heil |
| Fits Model | RGS120SRBB0AAA |
| Voltage | 120V line-voltage HSI |
| Fitment | OEM direct replacement |
Engineered for the ICP Tempstar Heil RGS120SRBB0AAA gas furnace and shared across many ICP-family RGS-series single-stage gas furnaces that use this igniter platform. Always confirm your unit's igniter part number against 1171306 before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.