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Carrier 48XZ042090300 Control Board
The HVAC system will be unable to be able to function lest the main control board is properly connected to the unit. The control board is designed to control the gas valve, the ignition igniter, the flame sensor and the blower all at once. You must be sure while selecting a replacement due to so many small differences in brand and air handler types. The control board picked should match the model number with both the brand and model of air handler system you have.
Key signs of a declining primary control board
- The furnace or AC does not work period
- There is a numbered error code revealed somewhere on the circuit board
- Power to the circuit board needs to be reset frequently for the thermostat to kick in
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Before buying or ordering a new Carrier 48XZ042090300 replacement part do your best and make sure of the model number as well as make a visual comparison so that you are positive that the right control board is the one being purchased. If you are not sure about the properly replacing the control board by yourself then it is probably best to consult a pro to do the work for you.
Feel free to download your manual for help.
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