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This is the OEM hot surface igniter/sensor (HSP, Part Number 1009524) for the Tempstar T9MPV075F12B1 gas furnace. This combination silicon-nitride igniter both lights the burner and serves as the flame-sensing element for the ignition sequence. Silicon-nitride (SK-style) elements are more rugged than legacy silicon-carbide igniters, but they still wear out after repeated thermal cycling and contamination. When the part fails, the furnace either fails to ignite at all or lights briefly and then drops out on flame failure, because the board can no longer prove flame. Symptoms include short-cycling on ignition, repeated lockouts, and no heat. Handle the new element by its base only — oils and dirt on the igniter/sensor surface degrade both ignition and flame sensing. This OEM HSP restores correct ignition and flame-proving on the first cycle.
| Spec | Value |
|---|---|
| Part Number | 1009524 |
| Type | Hot Surface Igniter/Sensor (HSP, Silicon Nitride) |
| Brand | Tempstar (ICP / Heil) |
| Function | Burner Ignition & Flame Sensing |
| Fits Model | T9MPV075F12B1 |
Designed for the Tempstar T9MPV075F12B1 furnace and the matching ICP/Heil/Comfortmaker 9-series variable-speed furnaces that use the 1009524 HSP igniter/sensor. Confirm your furnace uses a combination igniter/sensor (not a separate igniter and flame rod) before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.