Description
The Fenwal 35 605601 005 Ignition Control and its equivalent listings are high performance 24 VAC Direct Spark Ignition (DSI) control modules engineered to provide reliable, safe combustion startup in gas fired HVAC systems, furnaces, boilers, and other industrial heating equipment. Built with microprocessor based timing logic, these ignition modules deliver consistent ignition timing, advanced diagnostics, and robust flame sensing — making them a trusted choice for HVAC technicians and service professionals.
Key Features
- Precision Microprocessor Control: Ensures accurate ignition timing and repeatable sequences for dependable start ups.
- Direct Spark Ignition (DSI): Provides reliable spark ignition without a standing pilot light, improving efficiency.
- 10 Second Trial for Ignition (TFI): Designed with a 10 second ignition trial window to safely confirm flame presence before lockout.
- Remote Flame Sensing: Supports remote flame detection for flexible installation configurations.
- Robust Construction: Conformal coated and built to withstand typical HVAC environmental conditions, including high humidity.
- Diagnostic LED: On board LEDs assist with troubleshooting and system diagnostics for faster service calls.






