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International Comfort Products H8DNL100L20A1 Control Board
The International Comfort Products H8DNL100L20A1 control board is created to regulate the gas valve, the igniter, the flame sensor and the blower all together. Your furnace or AC will not run unless the control board is installed as it should be according to the manufacturer. It is imperative that you select wisely when you decide to replace your control board due to the many differences between certain brands. The brand of board you choose will need to pair with the part number from both the make and model of your International Comfort Products H8DNL100L20A1 unit.
Some warnings of a bad main board
- The whole unit does not operate whatsoever
- There is a numbered error code indicated on the front of the control board
- The board has to be powered down and back up quite frequently in order to continue running
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