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Carrier 25HNA648A0030020 Control Board
The entire heating and cooling system will not function lest the circuit board is in place and connected. The Carrier 25HNA648A0030020 control board is created to operate the gas valve, the igniter, all the sensors as well as the air circulator all together. The control board you choose will have a part number that will match both the make and model of the system you have installed. Be absolutely sure when you are deciding on a replacement because of the diversity of models within certain brands.
Easy warnings your main board will soon need to be replaced
- The unit refuses to operate correctly
- The HVAC system has to be powered down and back up quite often in order to operate
- There may be a type of code randomly appearing on the board
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