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This genuine OEM hot surface igniter (part number 1177663) is the ignition source for the ICP / Tempstar / Heil WPG3304040RKC1 packaged gas furnace. On a call for heat, the control board sends voltage to the igniter, which glows white-hot to light the main burners. Hot surface igniters are a wear item — the brittle silicon-carbide or silicon-nitride element degrades with every ignition cycle and eventually cracks, develops hairline fractures, or fails open. The result is no ignition, a furnace that locks out after several trial-for-ignition attempts, or intermittent no-heat calls. Replacing the igniter with the correct OEM part restores fast, reliable burner light-off.
| Spec | Value |
|---|---|
| Part Number | 1177663 |
| Type | Hot Surface Igniter |
| Brand | ICP (Tempstar / Heil) |
| Function | Direct burner ignition |
| Fits Model | WPG3304040RKC1 |
Built for the ICP WPG3304040RKC1 and shared across many Tempstar, Heil, Comfortmaker, and Day & Night gas furnaces and packaged units using this hot surface igniter and connector. Match the mounting bracket and plug to your original before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.