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Lennox XC17 Ignition Control Board
An ignition control board has control over the gas valve, the ignition timing and other important devices. It is an important electronic safety board that, over the years, has merged to become a vital part of the main control board for safety reasons.
Easy warnings of a failing ignition control board
- Signal from remote thermostat does not get to the Lennox control board
- The main ignition cycle is unable to kick in when it is supposed to
- Everything else connected to the system checked out to be in good condition
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