Description
Fenwal 35-655910-991 Hot Surface Ignition Module
The Fenwal 35-655910-991 is a Hot Surface Ignition (HSI) control module engineered for reliable, precise burner management in commercial and residential heating applications. Featuring a 45-second pre-purge and interpurge sequence alongside a 4-second Trial for Ignition (TFI), this module delivers a controlled, safe ignition cycle that helps protect equipment and ensures consistent burner performance.
Key Features
- Hot Surface Ignition (HSI) control module for dependable ignition sequencing
- 45-second pre-purge cycle clears the combustion chamber before ignition attempt
- Interpurge sequence provides an additional purge between ignition trials for enhanced safety
- 4-second Trial for Ignition (TFI) for fast, efficient flame establishment
- Designed as a direct OEM replacement for compatible Fenwal-controlled heating systems
- Compact, durable construction suited for demanding HVAC and combustion environments
Application
The Fenwal 35-655910-991 is ideal for use in gas-fired furnaces, boilers, and other heating appliances that require a hot surface ignition control with pre-purge and interpurge functionality. Its timed sequencing logic helps meet safety standards for combustion equipment by ensuring proper air purge before and between ignition trials.
Why Choose Fenwal?
Fenwal Controls has a long-standing reputation in the HVAC and combustion controls industry for producing reliable, precision-engineered ignition and safety controls. The 35-655910-991 upholds that standard, making it a trusted choice for HVAC technicians and service professionals seeking a dependable OEM-quality replacement module.
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