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Carrier 38TXA048 Control Board
The entire heating and cooling system will not activate unless this important circuit board is correctly installed. The Carrier 38TXA048 control board is designed to command everything including the gas valve, the igniter, most sensors as well as the blower all at once. The control board picked will need to be a match with your existing board and be compatible with both the brand and specific model of the system you have installed. You must be careful while picking a new replacement board because of the wide variety of brand and air handler types.
Clues your main board is on its last leg
- Could be an numbered code showing up on the control board
- The whole system has to be powered down and back up habitually for it to work
- The AC or furnace cannot go well
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