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Mitsubishi MSZ-A24NA Control Board
It is impossible for your furnace or air handler to even run at all without the board in place and connected. The control board is created to direct the gas valve, the igniter, the flame sensor as well as the air circulator all in one unit. Be absolutely sure while searching to pick up a replacement control board because of the wide variety of brands, models and types of systems. The proper control board must have a matching part number consistent with the brand and the model of air handler system you have.
Some clues of a worsening primary control board
- The board needs to be reset habitually for the furnace or AC to kick on
- The AC or furnace does not work at all
- System has numbered code directly on the front of the control board
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