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This OEM hot surface igniter (part number 1009524) provides ignition and flame sensing for the Tempstar TNE100F14B1 gas furnace. On a call for heat, the control energizes the igniter, which heats to a glowing surface temperature and lights the burner gas. This silicon-nitride-style igniter/sensor resists the thermal shock and cracking that prematurely fail older silicon carbide elements. A failed igniter usually causes the furnace to attempt ignition several times and then lock out — leaving you with no heat, repeated clicking, or a flashing fault code. Cracks, white blistering, or a broken element confirm failure.
| Spec | Value |
|---|---|
| Part Number | 1009524 |
| Type | Hot Surface Igniter / Sensor (HSP SK) |
| Brand | Tempstar (ICP / Heil) |
| Function | Ignition and flame sensing |
| Fitment | OEM direct replacement |
| Application | Gas furnace burner ignition |
Direct OEM replacement for the Tempstar TNE100F14B1 furnace. This igniter is shared across many ICP-family units (Tempstar, Heil, Comfortmaker, Arcoaire) that use OEM part 1009524. Confirm your existing part number before ordering.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.