ICP Hot Surface Igniter Kit for WFHR040B036A1 — OEM 1176919 | Ships Today

Overview

This OEM hot surface igniter assembly is the original ignition component for the ICP/Heil/Tempstar WFHR040B036A1 gas furnace. The hot surface igniter (HSI) is the silicon-nitride element that glows orange to light the burners on each heat call. This listing covers the complete ignition group: igniter 1176919, igniter mounting bracket 1177210, and the HSI slow-open gas valve assembly 1177204 (36J24510). When the igniter cracks, oxidizes, or fails to reach ignition temperature, the furnace will lock out and stop producing heat — the single most common no-heat failure on these units.

Specifications

Compatibility

Engineered for the WFHR040B036A1 furnace and shared across ICP-family WFHR-series 40,000 BTU gas furnaces sold under the Heil, Tempstar, Comfortmaker, and Arcoaire labels. Always confirm your existing igniter part number before ordering.

Installation Guide

1. Safety First — Disconnect power at the furnace switch and verify zero voltage with a multimeter. Shut off the gas supply.
2. Access — Remove the furnace burner-compartment service panel.
3. Document — Photograph the igniter wiring and bracket position before disconnecting.
4. Remove — Unplug the igniter connector and unscrew the bracket. Handle the new ceramic element by its base only — skin oils and bumps cause cracks.
5. Install — Mount the new igniter and bracket in the exact original position, reconnect the wiring per your photo.
6. Test — Restore gas and power, initiate a heat call, and confirm the igniter glows and burners light within the normal ignition window.

Signs You Need a Replacement

• Furnace ignites and locks out (igniter glows but no flame)
• No glow at the igniter on a heat call
• Visible cracks, white blistering, or pitting on the element
• Intermittent no-heat that clears on reset

Shipping & Returns

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