Description
The Fenwal 35 705501 505 is a 120 VAC Direct Spark Ignition (DSI) control module designed to manage ignition and flame sensing in gas fired heating systems such as furnaces, boilers, water heaters, and other combustion appliances. It uses a microprocessor based circuit for reliable, repeatable ignition sequencing and advanced safety monitoring.
Key Features
- 120 VAC direct spark ignition control module for gas burning equipment.
- 10 second trial for ignition (TFI) timing for controlled and efficient burner startup.
- 5 second pre purge cycle to clear combustion gases before ignition for added safety.
- Remote flame sensing support enables connection to a remote flame detector for improved safety diagnostics.
- Microprocessor based design for precise timing and repeatable ignition sequences.
- On board diagnostics with LED indicators to assist service troubleshooting.
- Compatible with natural gas, LP gas, and manufactured gas applications.
- Durable, OEM grade construction suitable for HVAC and industrial burner applications.
