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International Comfort Products H8MPN100F20A1 Control Board
The control board is designed to control everything including the gas valve, the igniter, all the various sensors as well as the air circulator all at once. Heating and cooling systems will not even function without the board in place and connected. You should always be careful when you choose a replacement due to differences in brand and air handler types. Any control board you choose will have to match part numbers the brand and the model of your particular system.
Clues your primary control board is dead
- There may be a strange code shown directly somewhere on the circuit board
- Power to the control board needs to be reset quite frequently in order to continue running
- Entire unit does not initialize period
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