This Fenwal Ignition Controls 35-665725-121 automatic hot surface ignition control module is designed for 24 VAC gas-fired heating appliances. It features precise microprocessor timing sequences including a 15-second pre-purge, 30-second inter-purge, 30-second post-purge, and a 4-second trial for ignition (TFI).
We have inspected this item and functional testing could not be performed as the unit requires installation in an HVAC system. There are some slight cosmetic scuffs and scratches throughout the unit.
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Made in USA.
Technical Specs
| Item | Hot Surface Ignition Control Board |
| Product Type | Automatic Ignition Control Board |
| Country of Origin | USA |
| Ignition Time | 4 Sec |
| Pre-Purge Time | 15 Sec |
| Voltage | 24 VAC |