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International Comfort Products H9MPT125L20B1 Control Board
Most systems will not function without the control board correctly installed. The control board is constructed to operate everything including the gas valve, the ignition igniter, most sensors and the blower all in one unit. It is of utmost importance when you choose a replacement because of the wide variety of models within certain brands. The board that you will choose should have part numbers that match both the brand and specific model of your heating and cooling system.
Red flags of a barely functioning main board
- System refuses to start period
- When turned on, there is some sort of code being displayed somewhere on the board
- Power to the circuit board needs to be reset often in order to continue running
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