ICP Hot Surface Igniter for WPG3482115LKB1 — OEM 1175974 Igniter Assembly | Ships Today
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Overview
This is the genuine OEM hot surface igniter assembly (part number 1175974) for the ICP / Tempstar / Heil WPG3482115LKB1 packaged gas/electric unit. The hot surface igniter (HSI) is the component that glows red-hot to ignite the gas as it enters the burner during a heating call. When the igniter cracks, develops hairline fractures, or burns out, the furnace section will lock out and no heat will be produced. Common failure symptoms include the unit cycling on the inducer and gas valve but never lighting, repeated ignition lockouts, error codes indicating failed ignition, or a visibly broken/blistered igniter element. Igniters are a normal wear item — the silicon-nitride/silicon-carbide element degrades with every heating cycle and is one of the most common no-heat service calls.
Specifications
| Spec | Value |
|---|---|
| Part Number | 1175974 |
| Part Type | Hot Surface Igniter Assembly |
| Brand | ICP / Tempstar / Heil |
| Application | Furnace / Package Unit Ignition |
| Fitment | OEM Replacement |
| Model | WPG3482115LKB1 |
Compatibility
Designed as a direct-fit OEM replacement for the ICP/Tempstar/Heil WPG3482115LKB1 packaged gas/electric system. This igniter assembly is also used across many ICP-family packaged units that share the same burner and ignition control. Always confirm your existing part number (1175974) before ordering.
Installation Guide
- Safety First — Disconnect power at the unit disconnect and shut off the gas supply. Verify zero voltage with a multimeter.
- Access — Remove the unit's service/burner compartment panel.
- Document — Photograph the igniter mounting and wiring connection before disconnecting.
- Remove — Unplug the igniter wire harness, remove the mounting screw(s), and carefully withdraw the old igniter. Never touch the glow element with bare fingers — skin oil shortens igniter life.
- Install — Mount the new igniter in the same position and orientation, secure the screw(s), and reconnect the harness per your photo.
- Test — Restore gas and power, initiate a heat call, and verify the igniter glows and the burners light within the normal ignition sequence.
Signs You Need a Replacement
- Furnace section runs inducer and clicks the gas valve but never lights
- Repeated ignition lockouts or hard lockout after several tries
- Igniter element is visibly cracked, blistered, or no longer glows
- Control board flashes an ignition-failure fault code
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