Description
Product Summary
The Supco IG412 Furnace Igniter - Exact Replacement, Replaces 41-412 is a professional-grade replacement part from Supco (Sealed Unit Parts Co.), a trusted name in HVAC/R and appliance parts since 1945. Exact replacement silicon carbide flat igniter.
Hot surface igniters and flame sensors are the heart of modern gas furnace ignition. A cracked or weak igniter causes no-heat calls and lockouts, while a dirty or failing flame sensor causes the burners to shut down seconds after lighting. Match the igniter material (silicon carbide or silicon nitride), voltage, and mounting style to the original.
Key Features
- 18 gauge copper high temperature fiberglass insulated lead wires
- Direct replacement kit for Robertshaw® 41-412
- Faster time to temperature response
- Higher resistance to oxidation
- Longer usable life
- Lower power consumption
- More robust in transit
- Stronger more durable design
- Supco® flat igniters offer an efficient , stronger, reliable hot surface Silicon Carbide design
- Superior gas lighting ability
Specifications
| Brand | Supco |
|---|---|
| Part Number | IG412 |
| Part Type | Igniter / Flame Sensor |
| Minimum Temperature | 1800°F / 980°C @ 98 Volts |
| Maximum Temperature | 3100°F / 1705°C @ 132 Volts |
| Time to Temperature | Less than 17 seconds @ 115 Volts |
| Resistance | 50 to 1100 Ohms |
| Steady State Current | 2.9 to 5.0 Amps Maximum @ 132 Volts |
| Igniter Material | Silicon Carbide |
Cross Reference
The Supco IG412 is a direct replacement for the following OEM and competitor part numbers. Always verify ratings and fit against the original part before installing.
| Replaces Part # | Manufacturer | Description |
|---|---|---|
| L45-549 | Johnstone® | Igniter |
| MB458902 | Norton® | Igniter |
| MB478272 | Norton® | Igniter |
| 62374 | EZ-Flow® | Igniter |
| B1401009 | Goodman® | Igniter |
| B1401018 | Goodman® | Igniter |
| 71082 | GSW® | Igniter |
| 86483 | GSW® | Igniter |
| 1009604 | Heil Quaker® /ICP® | Igniter |
| 1096047 | Heil Quaker® /ICP® | Igniter |
| 1096048 | Heil Quaker® /ICP® | Igniter |
| 68014 | Mars® | Igniter |
| 271NM | Norton® | Igniter |
| 41-412 | Robertshaw® | Igniter |
| DS412KX | Surface Igniter® | Igniter |
| 767A-373 | White Rodgers® | Igniter |
| IG1412 | Diversitech® |
Ideal Applications
- Gas furnaces
- Boilers and gas appliances with hot surface ignition
White Paper
- Supco IG412 Product Specification Sheet (PDF)
- Supco IG412 Product Specification Sheet 2 (PDF)
- Supco IG412 Installation & Operation Manual (PDF)
What's Included
- (1) Supco IG412 Furnace Igniter - Exact Replacement, Replaces 41-412
Safety: Always disconnect power and follow lockout/tagout procedures before servicing electrical components. Installation should be performed by a qualified technician.
