Description
The Fenwal 35‑665575‑111 Ignition Control Module is a high‑quality OEM hot surface ignition (HSI) control board engineered for reliable performance in gas‑fired heating systems. This module is part of Fenwal’s trusted Series 35‑66 line of microprocessor‑based controls and is designed for use in furnaces, boilers, water heaters, and other combustion appliances that require dependable ignition sequencing and safety monitoring.
Key Features
- OEM‑grade hot surface ignition control module optimized for gas‑fired HVAC systems including furnaces and boilers.
- 24 VAC operation with microprocessor‑based ignition sequencing and flame sensing for dependable ignition cycles.
- 15‑second pre‑purge and 4‑second Trial‑For‑Ignition (TFI) timing help improve combustion safety and reliable start‑ups.
- Multiple ignition tries and built‑in blower relay support efficient system control and airflow management.
- Integrated diagnostic LEDs simplify troubleshooting and maintenance for HVAC professionals.
- Compatible with natural gas, LP, and manufactured gases in a variety of heating applications.
