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International Comfort Products H8MPN100J20B1 Ignition Control Board
The main reason to have an ignition control board is that it checks the gas valve, the ignition sequence and the flame sensing circuits. It has been a very important safety feature that, in most cases, has become a part of the main control board for the sake of being more efficient.
Major signs of a weakening ignition control board
- Initial ignition sequence does not begin even though it is supposed to
- Everything else in the heating and cooling system is looked at and turns out to be good
- The electrical signal from the remote thermostat never reaches the main board
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