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International Comfort Products PGAD24D1K4 Ignition Control Board
The purpose of the ignition control board is that it has control over gas flow, the ignition timing and the flame sensing circuits. It has always been a vital safety device that some companies have moved to be a part of the main control board for the sake of being more efficient.
Some warnings your ignition control board should be replaced
- HVAC ignition system is unwilling to launch when it receives a proper signal
- Initial communication from the remote thermostat does not make it to the main board
- Everything else in the system is looked at and turns out to be fine
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