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Lennox HPXB15-048 Ignition Control Board
Another safety feature is the ignition control board, which governs gas intake, the ignition ignitor and other important devices. It has always been a vital device that is now usually a major component of the main board instead of having two separate boards.
Some clues the chief ignition control board is dead
- HVAC ignition cycle is unable to fire up then the thermostat send a signal
- Any other problem within the furnace is researched and comes to be in fine condition
- Signal from remote thermostat never makes contact with the main control board
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