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International Comfort Products NDN3100GFA1 Control Board
The system will cease to run without the main control board properly connected to the unit. The International Comfort Products NDN3100GFA1 control board is made to operate the gas valve, the ignition igniter, the flame sensor and the blower all together. You must do some research upon choosing a board as a replacement because of the many variances of brand and air handler types. The control board you choose will have to match part numbers the brand and the model of your International Comfort Products NDN3100GFA1 unit.
Key signs of a worsening main circuit board
- Power to the control board has to be reset quite frequently in order to continue running
- AC or heating system refuses to operate at all
- When turned on, there is flashing code being displayed somewhere on the board
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