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International Comfort Products GPFM36K100F Ignition Control Board
The ignition control board is a safety device that may control the main gas intake valve, the ignition sequence and a few other devices. It is an important circuit board that some companies have moved to be a major component of the main board for enhanced safety.
Signs of a declining major ignition board
- HVAC ignition system refuses to begin no matter what
- Every other thing in the HVAC system is inspected and turns out to be just fine
- The electrical signal from the thermostat does not show up at the main control board
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