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International Comfort Products CHP242GKA1 Ignition Control Board
Another safety feature is the ignition control board, which has control over the natural gas, the ignition sequence and all the flame sensing devices. It has always been a vital electronic safety board that is now usually a standard part of the main board for safety reasons.
Subtle hints your main ignition board will have to be replaced
- Every other device in the heating and cooling system checks out just fine
- Signal from main thermostat does not reach the main control board
- Ignition system declines to begin when called upon
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