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International Comfort Products PHAD42N1K1 Ignition Control Board
The main reason to have an ignition control board is that it regulates the gas valve, the igniter and a few other devices. It has always been a vital safety feature that some manufacturers have decided to blend to be a major component of the main board instead of its own individual board.
Hints the ignition board is in dire straights
- Signal from main thermostat never makes contact with the International Comfort Products control board
- Initial ignition sequence fails to commence at all
- Every other potential issue in the heating and cooling system is inspected and seems to be in good condition
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