Description
Reznor 100528 Spark Ignition Retrofit Kit with Lockout
The Reznor 100528 Spark Ignition Retrofit Kit with Lockout is a purpose-built upgrade solution designed to modernize older Reznor heating units by replacing outdated ignition systems with a dependable direct spark ignition (DSI) assembly. Engineered for straightforward installation, this kit delivers consistent, reliable ignition performance along with a built-in safety lockout feature that shuts down the system in the event of ignition failure — protecting both the equipment and the occupants.
Key Features
- Direct spark ignition (DSI) retrofit design for compatible Reznor heating equipment
- Integrated safety lockout function for automatic shutdown on ignition failure
- Simplifies upgrading legacy heating units to modern ignition technology
- Genuine Reznor OEM replacement part — ensures proper fit and reliable performance
- Supports improved system reliability and reduced maintenance downtime
Why Upgrade to Spark Ignition?
Modern spark ignition systems eliminate the need for a standing pilot light, improving energy efficiency and reducing the risk of unburned gas accumulation. The lockout feature adds a critical layer of safety by preventing repeated ignition attempts if the burner fails to light, alerting technicians to address the root cause promptly.
Application
- Compatible with select Reznor unit heaters and heating systems
- Ideal for commercial and industrial heating retrofit projects
- Recommended for use by qualified HVAC technicians
Part Information
- Brand: Reznor
- Part Number: 100528
- Kit Type: Spark Ignition Retrofit with Lockout







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