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International Comfort Products NDN3075HFA1 Control Board
The control board is created to regulate everything including the gas valve, the ignition igniter, most sensors and the blower all in one unit. It is impossible for your furnace or air handler to even run lest this board is configured and seated properly. Be absolutely sure upon choosing a board as a replacement because of the diversity of brand and air handler types. The control board picked is supposed to have a part number that matches the brand and the model of the unit in question.
Indications of a deteriorating primary control board
- When turned on, there is a strange type of error code displayed somewhere on the circuit board
- Power to the control board has to be powered down and back up more often than not for the heating or cooling to kick in
- Your HVAC unit declines to start correctly
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