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This OEM hot surface igniter assembly is the factory ignition component for the ICP / Tempstar / Heil WFMR110C066B3 gas furnace. The hot surface igniter (HSI) glows to roughly 2,500°F when the control board calls for heat, igniting the gas as it exits the burners. This kit covers the full ignition group: OEM igniter 1176919, igniter mounting bracket 1183455, and the HSI snap-on valve harness 1176929 (36J24618). A cracked, eroded, or open igniter is the single most common cause of "no heat" no-light furnace calls. Igniters are brittle silicon nitride/carbide elements that degrade with every heating cycle, so replacement is routine maintenance on high-cycling furnaces.
| Spec | Value |
|---|---|
| Part Numbers | 1176919, 1183455, 1176929 |
| Type | Hot Surface Igniter (HSI) |
| Brand | ICP / Tempstar / Heil |
| Voltage | 120V |
| Includes | Igniter, Mounting Bracket, Snap Valve Harness |
| Application | Gas Furnace |
Engineered as a direct OEM-fit replacement for the ICP-family WFMR110C066B3 furnace and shared platform models sold under the Tempstar, Heil, Comfortmaker, and Arcoaire brands. Always confirm against your unit's rating plate before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.