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International Comfort Products NDC7100BHA3 Control Board
The system will cease to operate whatsoever without the main control board in connected and operational. The International Comfort Products NDC7100BHA3 control board is made to operate everything including the gas valve, the ignition igniter, all the sensors as well as the air circulator all in one unit. You must do some research when choosing a control board due to the vast differences in brand and air handler types. The control board you choose should have a replacement part number that matches the brand and the model of the unit you have installed.
Key signs to watch for in a failing control board
- Everything has to be turned off and back on quite a lot for it to kick in
- There is a numbered error code indicated directly somewhere on the board
- Air conditioner or furnace declines to initialize period
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