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SPT WA-7500M Ignition Control Board
Another safety feature is the ignition control board, which manages the main gas intake valve, the igniter and all the flame sensing devices. It is an important device that some companies have moved to be a vital part of the main control board instead of a separate board.
Red flags of a declining main ignition board
- Every other problem connected to the system is explored and ends up being good
- Initial communication from the home thermostat never reaches the main board
- The ignition system is unable to begin then the thermostat send a signal
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