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International Comfort Products H9MPD125L20C1 Control Board
The control board is created to regulate the gas valve, the igniter, all the various sensors as well as the air circulator all at once. Your air handler will be unable to be able to function unless the control board is accurately installed and configured. A matching board will have to match part numbers both the brand and specific model of furnace or air handler you have. Be absolutely sure when choosing a control board due to the vast differences in brand and air handler types.
What are the indications that my main circuit board is almost going bad?
- AC unit or heating unit will not do anything correctly
- There may be a type of code shown directly somewhere on the board
- The board has to be turned off and back on often for the heating or cooling to kick in
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