Description
The Fenwal 35 705601 001 Direct Spark Ignition Control and its equivalent listings are professional grade 120 VAC microprocessor based Direct Spark Ignition (DSI) control modules engineered to deliver consistent and safe ignition performance for gas fired heating systems and combustion appliances. Designed as part of Fenwal’s trusted 35 70 series, this module ensures precise ignition timing, reliable flame sensing, and built in diagnostics — ideal for HVAC technicians, service professionals, and maintenance teams.
Key Features
- 120 VAC Direct Spark Ignition: Uses electronic spark ignition for reliable burner startup without a standing pilot light.
- Microprocessor Precision Control: Provides accurate and repeatable timing sequences for ignition and safety functions.
- 4 Second Trial for Ignition (TFI): Offers a defined period for flame establishment before lockout to improve safety.
- Remote Flame Sensing: Designed to work with remote flame sensors to verify flame presence and maintain safe operation.
- No Pre Purge or Inter Purge: Configured with zero pre purge and inter purge times for straightforward ignition cycles.
- LED Diagnostics: On board LED output assists with troubleshooting and monitoring control status.
