ICP Hot Surface Igniter for RGS243LSAA0AAAA — Electrode | Ships Today

Overview

This OEM hot surface igniter electrode (part number 1179966) is responsible for lighting the burners on your ICP RGS243LSAA0AAAA gas furnace. When the thermostat calls for heat, the control board sends voltage to the igniter, which glows red-hot and ignites the gas as it flows across the burners. Igniters are brittle and degrade with every heating cycle — the silicon nitride or silicon carbide element develops micro-cracks and eventually fails open. Typical failure symptoms include no ignition, a furnace that clicks but never lights, repeated lockouts after three trial-for-ignition attempts, or a visibly cracked/blistered igniter element.

Specifications

Compatibility

Direct OEM replacement igniter electrode for the ICP / Tempstar / Heil RGS243LSAA0AAAA gas furnace, and compatible with related ICP-family furnaces that use this igniter assembly. Match the mounting bracket and connector orientation to your existing igniter for a proper fit.

Installation Guide

1. Safety First — Shut off the gas supply, disconnect power at the breaker, and verify zero voltage with a multimeter.
2. Access — Remove the burner compartment service panel.
3. Document — Photograph the igniter position and wire routing before disconnecting.
4. Remove — Unplug the igniter connector and remove the mounting screw(s); never touch the igniter element with bare fingers.
5. Install — Mount the new igniter, handling it only by the ceramic base, and reconnect the plug per your photo.
6. Test — Restore gas and power, then watch a full ignition cycle to confirm the burners light cleanly.

Signs You Need a Replacement

• Furnace clicks but burners never light
• No glow from the igniter during the heat call
• Repeated ignition lockouts or error codes
• Visible cracks, blisters, or breaks in the element

Shipping & Returns

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