Description
The Supco IG405 Furnace Ignitor is a high-quality hot surface ignitor engineered to provide fast, reliable ignition in gas-fired furnaces. Designed as a direct OEM-quality replacement, the IG405 helps restore proper furnace operation quickly — minimizing downtime and keeping heating systems running at peak performance.
Supco is a trusted name in HVAC replacement components, and the IG405 reflects that reputation with durable construction and consistent ignition performance. Whether you’re servicing a residential or light commercial furnace, this ignitor is built to deliver season after season.
Key Features
- Hot surface ignitor designed for gas furnace applications
- OEM-quality replacement for reliable, consistent ignition
- Durable construction for long service life
- Engineered for straightforward installation
- Trusted Supco quality backed by industry experience
Applications
- Residential gas furnaces
- Light commercial heating systems
- Hot surface ignition systems requiring direct replacement
Why Choose Supco?
Supco has been a leading manufacturer of HVAC/R replacement components for decades. Their ignitors are widely used by professional technicians for their consistent performance, broad compatibility, and ease of installation — making the IG405 a go-to choice for furnace ignitor replacement.







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