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This OEM hot surface igniter and sensor kit (part number 1009524) is the ignition component for the Tempstar T9MPV050F12B1 gas furnace. On a heat call, the control board energizes the igniter, which glows red-hot to light the burner gas; the integrated sensor then proves the flame so the gas valve stays open. Hot surface igniters are brittle silicon-carbide or silicon-nitride elements that crack with age, thermal cycling, or rough handling. A failed igniter is one of the most common no-heat causes: the inducer runs and you hear the gas valve click, but the burners never light, and the furnace locks out after several failed ignition attempts. Never touch the igniter element with bare fingers — skin oils create hot spots that shorten its life.
| Spec | Value |
|---|---|
| Part Number | 1009524 |
| Type | Hot Surface Igniter / Sensor Kit |
| Brand | Tempstar |
| Application | Gas Furnace Ignition |
| Fitment | OEM |
Factory ignition component for the Tempstar T9MPV050F12B1 variable-speed gas furnace. The 1009524 kit is widely used across ICP-family furnaces (Tempstar, Heil, Comfortmaker) equipped with a hot surface ignition system. Verify your furnace uses a hot surface igniter (not a spark or pilot system) before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.