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International Comfort Products HAC448AKA1 Ignition Control Board
The purpose of the ignition control board is that it controls the gas valve, the ignition timing and some more sensing equipment. It is an important board that some companies have moved to be a piece of the main circuit board in order to have better control over the system.
Warnings to watch for in a bad major ignition board
- Ignition system will not fire up even though it is supposed to
- Any other problem in the heating and cooling system is researched and comes to be OK
- Communication from the home thermostat does not reach the control board
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