Description
The Fenwal 35 725201 505 Direct Spark Ignition (DSI) Control Module is a professional grade ignition control board designed for gas fired heating systems. This compact module provides reliable and consistent ignition sequencing for furnaces, boilers, and other gas burning appliances, helping to ensure safe and efficient start up and operation. Operating on 120 VAC, the 35 725201 505 features a single ignition attempt, a 5 second pre purge to clear combustible gases before ignition, and a 10 second trial for ignition (TFI) period for dependable spark performance. Built with microprocessor based timing and built in safety sequencing, this ignition control helps minimize risk and promote reliable system performance.
Key Features
- Compatible 120 VAC direct spark ignition control module for gas fired HVAC systems.
- Single ignition try with configurable timing for pre purge and ignition sequence.
- 5 second pre purge followed by 10 second trial for ignition (TFI) for safe burner start up.
- Microprocessor based timing provides precise and repeatable control.
- Designed for use in furnaces, boilers, and commercial heating equipment.
- OEM replacement for many Fenwal ignition boards and compatible with DSI systems.
