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Lennox 13ACD-048 Ignition Control Board
The main reason to have an ignition control board is that it has control over gas flow, the ignition ignitor and other important devices. The ignition control board was always an important electronic circuit board that has now become a part of the main control board for the sake of being more efficient.
Signs your Lennox ignition control board is failing
- The on-signal from the remote thermostat gets lost before it makes it to the Lennox control board
- Ignition cycle fails to kick in then the thermostat send a signal
- Every other potential issue in the HVAC system is inspected and seems to be acceptable
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