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This is the genuine OEM hot surface igniter/sensor (HSP SK, part number 1009524) for the Tempstar T9MPD050F12B1 furnace. This combination silicon-element component both ignites the gas at the burners and senses the resulting flame, confirming to the control board that ignition succeeded. The rugged hot-surface element is more durable than legacy carbide igniters but still degrades with thermal cycling over time. When it fails, the furnace will either fail to light entirely or light briefly and then shut down when the board cannot confirm a flame, dropping into lockout. Typical symptoms include short-cycling on heat calls, repeated ignition lockouts, an igniter that no longer glows, and a sooty or corroded sensing tip. Handle the element only by its base, as oils and grit reduce its sensing reliability.
| Spec | Value |
|---|---|
| Part Number | 1009524 |
| Type | Hot Surface Igniter/Sensor (HSP SK) |
| Brand | Tempstar |
| Function | Ignition + Flame Sensing |
| Fits Model | T9MPD050F12B1 |
Direct-fit replacement igniter/sensor for the Tempstar T9MPD050F12B1 gas furnace. The same HSP SK component is shared across many ICP-built Tempstar, Heil, and Comfortmaker furnaces using integrated igniter/sensing ignition. Confirm your existing part matches OEM 1009524 before ordering.
Ships same day before 3 PM CST. 30-day returns. National HVAC Parts fitment guarantee.