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International Comfort Products GPCM48K080F Ignition Control Board
The main reason to have an ignition control board is that it controls the gas valve, the ignition timing and the flame sensing circuits. It is an important safety feature that, over the years, has merged to become a piece of the main circuit board instead of its own individual board.
Clues of a failing ignition board
- Any other device attached to the system is researched and comes to be problem-free
- Ignition system refuses to launch then the thermostat send a signal
- The on-signal from the home thermostat does not get to the main control board
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