ICP Ignitor Electrode for RGS303HEFA0AAAA — OEM Furnace Igniter | Ships Today

Overview

This is the genuine OEM ignitor electrode (part 1179966) for the ICP / Heil / Tempstar RGS303HEFA0AAAA gas furnace. The ignition electrode delivers the spark or ignition source that lights the burners at the start of each heat cycle. A cracked ceramic insulator, fouled tip, or incorrect gap prevents reliable ignition, causing the furnace to lock out, short-cycle, or fail to fire on a heat call. An OEM electrode guarantees the correct geometry, gap, and mounting fit so the furnace ignites cleanly every cycle.

Specifications

Compatibility

Direct OEM replacement for the ICP-family RGS303HEFA0AAAA furnace and related Heil, Tempstar, and Comfortmaker models using the same burner ignition assembly. Verify the electrode body and bracket match your existing part before installing.

Installation Guide

1. Safety First — Shut off the gas supply and disconnect power, then verify zero voltage with a multimeter.
2. Access — Remove the burner compartment access panel.
3. Document — Photograph the electrode position, gap, and wire routing.
4. Remove — Disconnect the ignition lead and unscrew the electrode from the burner assembly.
5. Install — Mount the new electrode, confirm the correct gap, and reconnect the ignition lead per your photo.
6. Test — Restore gas and power, then verify clean ignition on a heat call.

Signs You Need a Replacement

• Furnace fails to ignite or locks out on a heat call
• Repeated ignition retries or short-cycling
• Cracked or chipped ceramic insulator
• Carbon buildup or erosion on the electrode tip

Shipping & Returns

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