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Carrier 48XZN048115300 Control Board
Your furnace or AC will not be able to function without the main control board installed. The control board is made to operate the gas valve, the igniter, all the sensors and the blower all at once. It is imperative that you select wisely while searching to pick up a replacement control board due to variances between brands, models and types of systems. The correct control board must have a matching part number consistent with the brand and the model of your particular system.
Signals of a bad primary control board
- The whole unit declines to start at all
- There may be flashing code being shown on the board
- The board has to be reset habitually in order to operate
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