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Lennox G24-200 Ignition Control Board
The ignition control board is a safety device that checks out the main gas intake valve, the ignition ignitor and some other sensors. The ignition control board was always an important safety device that, in most cases, has become a part of the main control board instead of its own individual board.
Signs the ignition board should be replaced
- Signal from home thermostat never gets to the control board
- Every other thing throughout the system is inspected and turns out to be OK
- Heating and cooling system does not activate at all
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