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This OEM hot surface ignition assembly for ICP, Heil, Tempstar, and Comfortmaker WPG-series packaged gas units includes the igniter (part #1177663) and its integrated ignition control board (part #1186861). On a heat call, the control board sequences the inducer and pressure switch, then sends 120V to the igniter, whose silicon-based element glows red-hot to ignite the gas at the burners. The board monitors flame and shuts off gas if ignition fails, providing the unit's primary safety lockout. Hot surface igniters are brittle and degrade with every heating cycle — a cracked or worn element is one of the most common no-heat failures. Replacing the igniter and verifying the control board together restores reliable, safe ignition.
| Spec | Value |
|---|---|
| Part Numbers | 1177663 (igniter), 1186861 (control board igniter) |
| Type | Hot Surface Igniter w/ Ignition Control |
| Brand | ICP (Heil / Tempstar / Comfortmaker) |
| Igniter Voltage | 120V |
| Function | Burner ignition and flame supervision |
| Fitment | OEM replacement |
Direct OEM replacement for the ICP/Tempstar/Heil WPG4244040RKA1 packaged gas/electric unit and other WPG-series cabinets using a 120V hot surface igniter with matching control. Confirm your part numbers before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.