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This OEM hot surface igniter assembly fits the gas-heat section of the ICP/Tempstar/Heil WPG4604115RKB1 packaged gas/electric unit. It covers the factory ignitor (part number 1177663) and the matching control board igniter (part number 1186861). On a call for heat, the control board energizes the igniter, which glows incandescent and lights the main burners. Hot surface igniters are brittle and degrade with every heating cycle — hairline cracks, contamination, and resistance drift eventually cause no-light or short-cycling no-heat conditions. A fresh OEM igniter restores fast, reliable ignition.
| Spec | Value |
|---|---|
| Part Numbers | 1177663 (Ignitor), 1186861 (Control Board Igniter) |
| Type | Hot Surface Igniter |
| Brand | ICP (Tempstar / Heil) |
| Function | Furnace Burner Ignition |
| Fitment | OEM Direct Replacement |
Designed for the ICP/Tempstar/Heil WPG4604115RKB1 packaged gas/electric unit and related ICP-family gas furnaces using this hot surface ignition system.
Ships same day before 3 PM CST. 30-day returns. National HVAC Parts fitment guarantee.