ICP Ignitor Electrode for RGS300SFAA0AAAA — OEM 1179966 | Ships Today

Overview

This is a genuine OEM ignitor electrode, ICP part number 1179966, used in ICP, Tempstar, and Heil gas furnaces. The electrode delivers the high-voltage spark (or ignition reference) at the burner that lights the gas on a call for heat. A cracked ceramic insulator, eroded electrode tip, or improper gap prevents reliable ignition and is a common cause of furnace lockout, delayed ignition, or repeated retries before the burner lights. Because the electrode sits directly in the burner flame path, the ceramic and metal degrade over time and the part is considered a wear item that should be inspected during annual service.

Specifications

Compatibility

Direct-fit OEM replacement for ICP-family furnaces including model RGS300SFAA0AAAA and related Tempstar and Heil units originally supplied with part 1179966. Confirm the bracket and gap configuration against your existing electrode before ordering.

Installation Guide

1. Safety First — Shut off gas and disconnect power at the switch and breaker, then verify zero voltage with a multimeter.
2. Access — Remove the burner compartment door and any flame-shield panels.
3. Document — Photograph the electrode position, gap, and wire routing before removal.
4. Remove — Disconnect the high-voltage lead and unscrew the electrode bracket from the burner assembly.
5. Install — Mount the new electrode, set the gap to spec, and reconnect the ignition lead per your photo.
6. Test — Restore gas and power and confirm prompt, reliable ignition on a call for heat.

Signs You Need a Replacement

• Furnace locks out or fails to ignite on a call for heat
• Delayed ignition with a noticeable gas smell or whoosh
• Cracked or chipped ceramic insulator
• Eroded or burned electrode tip / incorrect spark gap

Shipping & Returns

Ships same day on orders placed before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.