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This OEM hot surface igniter assembly (part numbers 1177663 igniter and 1186861 igniter control board) provides the ignition for the gas-fired side of the ICP/Tempstar/Heil WPG4424060LKA1 packaged unit. On a heat call the control energizes the igniter, which glows white-hot to light the burners; the board sequences the igniter, gas valve, and flame-sensing safety. Hot surface igniters are brittle and degrade over time — the element cracks, develops hairline fractures, or simply stops reaching ignition temperature. The most common symptom is no heat: the inducer runs but the burners never light, or the furnace tries several times and then locks out. A glowing-but-no-ignition or no-glow-at-all igniter is a classic failure.
| Spec | Value |
|---|---|
| Part Numbers | 1177663 (Igniter), 1186861 (Igniter Control Board) |
| Type | Hot Surface Igniter |
| Brand | ICP / Tempstar / Heil |
| Function | Burner ignition |
| Fitment | OEM direct replacement |
Designed to OEM spec for the ICP/Tempstar/Heil WPG4424060LKA1 packaged gas/electric unit and compatible ICP-family furnaces using the same hot surface ignition system. Handle the igniter element only by its ceramic base — skin oils shorten its life. Confirm your part number and connector style before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.