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International Comfort Products TCA048AKA1 Ignition Control Board
The main reason to have an ignition control board is that it oversees the gas valve, the igniter and the flame sensing circuits. It has always been a vital electronic circuit board that some companies have moved to be a major component of the main board for safety reasons.
Signals to watch for in a bad ignition board
- Every other problem within the heating and AC system is looked at and turns out to be fine
- The on-signal from the remote thermostat does not turn up at the main control board
- HVAC ignition cycle declines to fire up then the thermostat send a signal
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