ICP Hot Surface Igniter Kit for Z8MPN075B12A1 — HSI, Flame Sensor & Gas Valve | Ships Today
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Overview
This is the genuine OEM hot surface igniter (HSI), part number 1172533, for the ICP / Tempstar / Heil Z8MPN075B12A1 gas furnace. The igniter glows red-hot to light the burners on each heat call, and it is the single most common ignition wear part on this platform. This listing also covers the related ignition components for this model — flame sensor 1172543 (proves flame after ignition) and snap-mount gas valve 1172541 (Honeywell VR8205S) — so you can replace the full ignition path in one order. A cracked or aged igniter causes no-heat, short-cycling, or a furnace that sparks but never lights; a dirty or failed flame sensor causes the burner to light and then drop out after a few seconds (lockout).
Specifications
| Spec | Value |
|---|---|
| Primary Part | 1172533 — Hot Surface Igniter (HSI) |
| Type | Hot Surface Igniter |
| Included | 1172543 Flame Sensor, 1172541 Gas Valve (VR8205S) |
| Brand | ICP / Tempstar / Heil |
| Valve | Honeywell VR8205S Snap-Mount |
| Fitment | OEM |
Compatibility
Engineered for the ICP Tempstar Heil Z8MPN075B12A1 furnace and other ICP-family furnaces using this HSI ignition system with the VR8205S gas valve. Confirm your model uses a hot surface (silicon nitride/carbide) igniter rather than a spark or pilot system.
Installation Guide
- Safety First — Shut off gas, disconnect power at the switch and breaker, and verify zero voltage with a multimeter.
- Access — Remove the burner compartment service panel.
- Document — Photo the igniter, flame sensor, and gas valve wiring before disconnecting.
- Remove — Unplug and unscrew the old igniter (handle by the ceramic base only — never touch the element), then remove the flame sensor and/or gas valve if replacing.
- Install — Mount the new igniter, flame sensor, and valve, reconnect per your photos, and reconnect gas with thread sealant rated for gas.
- Test — Restore gas and power, leak-check valve connections, and watch a full ignition cycle confirming steady flame and no lockout.
Signs You Need a Replacement
- Furnace clicks/heats the igniter but burners never light
- Visible cracks or breaks in the igniter element
- Burner lights then shuts off within seconds (flame sensor)
- Short-cycling or repeated ignition lockout codes
Shipping & Returns
Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.
Shipping Information
- Orders placed before 3PM CST ship same business day
- Standard delivery: 2-5 business days
- Express shipping available at checkout
- Free shipping on orders over $75
- Tracking number emailed upon shipment
Return Policy
- 30-day returns on unused parts in original packaging
- Electrical parts (capacitors, contactors, control boards) are final sale once installed
- Email info@nationalhvacparts.com to initiate a return
- Refunds processed within 5-7 business days