Description
The Fenwal 35 605606 111 24VAC DSI Ignition Control is a professional grade 24 VAC Direct Spark Ignition (DSI) control module engineered to deliver reliable and safe ignition performance for gas fired HVAC systems, furnaces, boilers, water heaters, and other combustion appliances. Designed with microprocessor based timing logic, this Fenwal control module manages ignition sequencing, flame sensing, and safety diagnostics with precision — making it a trusted replacement part for technicians and service professionals.
Key Features
- 24 VAC Microprocessor DSI Control: Provides precise management of ignition, purge, and flame detection sequences for efficient and safe system starts.
- Custom Timing Sequence: Features ~15 second pre purge, ~15 second inter purge, and ~4 second Trial for Ignition (TFI) to ensure combustion safety and reliability.
- Multiple Ignition Tries: Built in logic allows multiple ignition attempts (typically 3) before lockout to improve start up success in challenging conditions.
- Remote Flame Sensing: Designed for use with remote flame sensors, enhancing accuracy in detecting flame presence.
- On Board Diagnostics: LED indicators and diagnostic signals help technicians quickly identify issues and streamline troubleshooting.
- Robust Construction: Conformal coating and rugged components help withstand typical HVAC environmental conditions.
