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International Comfort Products C8MPV100J20C1 Ignition Control Board
An ignition control board has control over the gas valve, the ignition timing and the flame sensing circuits. It has always been a vital circuit board that is now usually a standard part of the main board instead of having two separate boards.
Subtle cues of a poorly working chief ignition control board
- Initial communication from the primary thermostat never makes it to the main board
- HVAC ignition system fails to commence then the thermostat send a signal
- Every other thing within the furnace checked out to be fine
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