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This OEM hot surface igniter (part number 1177663) lights the burners in your ICP/Tempstar/Heil WPG3484090LKC1 packaged gas/electric unit. When the control board calls for heat, line voltage heats the igniter element to a glowing temperature that ignites the gas as the valve opens. Hot surface igniters are brittle and degrade with every cycle — the element develops hairline cracks, carbon buildup, or hot spots that eventually break the circuit. A failed igniter is one of the most common no-heat causes: the inducer and pressure switch prove, but the burners never light and the furnace locks out. Handle the new igniter only by its ceramic base, never the element.
| Spec | Value |
|---|---|
| Part Number | 1177663 |
| Type | Hot Surface Igniter |
| Brand | ICP / Tempstar / Heil |
| Operating Voltage | 120V |
| Function | Ignites burner gas on heat call |
Direct OEM replacement for the hot surface igniter in the ICP/Tempstar/Heil WPG3484090LKC1 packaged gas/electric unit and compatible ICP-family furnaces using this ignitor. Match the mounting bracket and connector before installing.
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.