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International Comfort Products T8MPL100J20A1 Ignition Control Board
The main ignition control board has control over the main gas intake valve, the igniter and other safety devices built into the system. It has always been a vital circuit board that, in most cases, has become a major component of the main board instead of its own individual board.
Key clues of a failing main ignition board
- The ignition cycle is unwilling to initiate then the thermostat send a signal
- Every other problem within the heating and AC system checks out good
- Communication from the remote thermostat never makes contact with the control board
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