Description
Upgrade your commercial or residential heating system with the reliable Fenwal 35-655908-003 Hot Surface Ignition Control Module — a high-performance replacement part trusted by HVAC professionals. Designed to deliver precise ignition performance, this industrial-grade control ensures your gas-fired appliance operates safely, efficiently, and with minimal downtime.
Key Features
- Heavy-Duty Ignition Control: Supports hot surface ignition (HSI) systems with reliable operation at 24 VAC — ideal for furnaces, boilers, and gas heaters.
- Enhanced Safety & Diagnostics: Integrated on-board diagnostics with LED indicators help troubleshoot and ensure safe operation.
- Precise Timing: 0 sec pre-purge and inter-purge timings with 7-sec time-to-fire (TFI) deliver precise and repeatable ignition cycles.
- Versatile Compatibility: Works with multiple gas types including natural gas, propane, and manufactured gas.
- Durable Construction: Designed for rugged HVAC environments with robust components for long-lasting performance.






