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International Comfort Products NNE050B12A1 Control Board
Your furnace or AC will not function without the board in connected and operational. The control board is designed to control everything including the gas valve, the igniter, most sensors as well as the air circulator all in one unit. A replacement board should have part numbers that match the brand and the model of the unit in question. You must do some research while picking a new replacement board because of the wide variety of systems.
Major symptoms your main board is in dire straights
- Power to the control board has to be reset frequently for the thermostat to kick in
- System cannot function period
- When turned on, there is a type of code indicated directly on the board
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