Description
The Fenwal 35‑655700‑003 Hot Surface Ignition Control Module is a high‑quality OEM replacement part engineered to deliver reliable ignition performance in gas‑fired HVAC and heating applications. Designed for use in furnaces, boilers, water heaters, and combustion appliances, this 24 VAC control board ensures precise ignition sequencing, accurate flame detection, and integrated safety monitoring, helping to maintain efficient and safe combustion cycles.
Key Features
- OEM‑grade hot surface ignition control board designed for gas‑fired HVAC systems.
- Operates on 24 VAC with precise ignition sequencing and flame sensing.
- 7‑second Trial‑For‑Ignition (TFI) cycle with single ignition attempt for dependable starts.
- No pre‑purge and no inter‑purge timing for direct ignition control.
- Microprocessor‑based control logic with diagnostic LED feedback simplifies troubleshooting.
- Suitable as a direct replacement part for worn or failed ignition control modules in furnaces, boilers, and other gas burner systems.






