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Carrier 48GX048090300 Control Board
Your air handler will be unable to activate without the board installed as it should be according to the manufacturer. The control board is constructed to operate everything including the gas valve, the ignition igniter, all the sensors as well as the air circulator all together. You must do some research upon picking a replacement board because of the many variances of heating and cooling systems. Any control board you choose will have a part number that will match both the brand and specific model of HVAC system.
Key symptoms of a faulty primary control board
- The entire system has to be powered down and back up many times a week for the system to continue working
- Entire unit is unable to work well
- There may be numbered code directly on the circuit board
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