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International Comfort Products GNK050N12A3 Control Board
The International Comfort Products GNK050N12A3 control board is constructed to direct everything including the gas valve, the ignition igniter, all the various sensors as well as the blower all in one unit. Your air handler will be unable to activate lest this board is installed as it should be according to the manufacturer. Be very careful while selecting a replacement due to so many small differences in models and types. The board that you will choose will have to be compatible with the brand and the model of your particular system.
Simple indications of an ailing main board
- System has some sort of code directly somewhere on the board
- The HVAC system has to be powered down and back up many times a week for the heating or cooling to kick in
- The furnace or AC ceases to run period
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