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International Comfort Products H8DNL050B12B1 Control Board
The International Comfort Products H8DNL050B12B1 control board is created to control everything including the gas valve, the ignition igniter, all the sensors as well as the air circulator all in one unit. The entire heating and cooling system will not run unless this important circuit board is hooked up and is correctly configured. You should always be careful upon choosing a board as a replacement due to so many small differences in heating and cooling systems. The selected board will have a matching part number that will fit in both the brand and model of the unit you have installed.
Hints of a faulty main board
- Could be an flashing code shown on the control board
- Power to the control board has to be powered down and back up quite frequently for the system to continue working
- Air conditioning or heating system cannot run at all
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