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Lennox 10ACB Ignition Control Board
The main ignition control board manages the gas valve, the ignition timing and other safety devices built into the system. It has been a very important electronic circuit board that, over the years, has merged to become a piece of the main circuit board for the sake of being more efficient.
Simple warnings that your major ignition board is failing?
- Communication from the primary thermostat never gets to the control board
- The primary ignition sequence declines to launch at all
- Every other device within the furnace is looked at and turns out to be in good condition
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