ICP Hot Surface Igniter Electrode for RGS303SRFA0AAAA — Direct Replacement | Ships Today

Overview

This genuine OEM igniter electrode (part number 1179966) is the hot surface ignition device for ICP, Heil, and Tempstar gas furnaces including the RGS303SRFA0AAAA. On a call for heat, the furnace control sends voltage to the igniter, which heats to over 2,000°F and lights the burner gas at the manifold. The igniter is a wear item by design — the element becomes more brittle with every heat cycle and is one of the most common reasons a furnace stops producing heat.

A cracked or burned-out igniter is the leading cause of a furnace that goes through its sequence — inducer runs, gas valve opens — but never lights, often ending in a lockout. Because the element is fragile, it can also fail from a hairline crack that is invisible until tested. Replacing it with the correct OEM igniter electrode restores reliable, on-demand ignition and prevents repeated nuisance lockouts.

Specifications

Compatibility

Direct replacement for the RGS303SRFA0AAAA and other ICP / Heil / Tempstar / Comfortmaker gas furnaces that specify the 1179966 igniter electrode. Confirm the igniter part number and mounting bracket style against your existing part before ordering.

Installation Guide

1. Safety First — Disconnect power at the furnace switch and breaker, shut off the gas, and verify zero voltage before proceeding.
2. Access — Remove the burner-compartment service panel to reach the igniter at the burner assembly.
3. Document — Photograph the igniter position, bracket orientation, and wiring before removal.
4. Remove — Disconnect the igniter plug, remove the mounting screw, and carefully withdraw the old igniter — never touch the new element with bare fingers, as oils shorten its life.
5. Install — Seat the new igniter in the same position and bracket orientation, secure the screw, and reconnect the plug.
6. Test — Restore gas and power, call for heat, and confirm the igniter glows bright and lights the burners within the normal ignition window.

Signs You Need a Replacement

• Furnace runs its sequence but the burners never light
• Igniter does not glow, or glows weakly and unevenly
• Repeated ignition-failure lockouts after several retries
• Visible cracks, blisters, or breaks in the igniter element

Shipping & Returns

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