Description
The Fenwal 35 605606 113 24 VAC DSI Ignition Control is a 24 VAC microprocessor-based Direct Spark Ignition (DSI) control module engineered to manage reliable burner startup, flame sensing, and safety diagnostics in gas-fired heating systems and appliances. Built for performance and durability, this ignition control is ideal for HVAC technicians, maintenance professionals, and OEM replacements across a wide range of gas furnaces, boilers, water heaters, and other combustion equipment.
Key Features
- Direct Spark Ignition (DSI): Uses electronic spark ignition for dependable burner starts without a standing pilot light, improving energy efficiency and ignition reliability.
- Custom Timing Controls: Features ~15 sec pre-purge and ~7 sec Trial for Ignition (TFI) sequences to clear residual gases and safely establish flame.
- Multiple Ignition Tries: Capable of up to three ignition attempts before lockout for improved start-up success in varied conditions.
- Detect-A-Flame® Flame Sensing: Integrated flame sensing ensures accurate detection and system safety during operation.
- Diagnostics & Service Support: On-board LED indicators and test points simplify troubleshooting and service checks for technicians.
- Remote or Local Sensing: Flexible flame sense configuration allows compatibility with different system designs.
- Automatic Reset: After a lockout condition, the control can automatically reset to reduce service interventions.
