Description
Upgrade or repair your gas-fired heating system with the Fenwal 35-655005-023 Hot Surface Ignition Control Board, a dependable OEM replacement part engineered for consistent ignition performance and enhanced system safety. As part of Fenwal’s trusted 35-65 Series, this 24 VAC HSI control board precisely manages ignition trials, flame detection, and timing sequences, ensuring efficient and safe operation in furnaces, water heaters, and other gas-burner applications.
Key Features
- OEM-grade ignition control optimized for gas-fired HVAC systems — trusted quality and compatibility.
- 24 VAC hot surface ignition board with microprocessor control for accurate timing and flame monitoring.
- On-board diagnostics with LED feedback to simplify maintenance and reduce downtime.
- Multiple ignition trials and inter-purge timing for reliable start-up and safe burner operation.
- Durable, conformal-coated enclosure designed for typical HVAC environments.






