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International Comfort Products C8MPV050B12B1 Ignition Control Board
An ignition control board regulates the gas valve, the ignition ignitor and some other sensors. It is an important safety feature that is now usually a standard part of the main board instead of having two separate boards.
Hints of a defective main ignition board
- Every other problem attached to the system is explored and ends up being flawless
- The on-signal from the primary thermostat does not make it to the International Comfort Products control board
- The primary ignition sequence refuses to kick in even when the thermostat kicks it on
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