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International Comfort Products T8DNL100L20B1 Control Board
The International Comfort Products T8DNL100L20B1 control board is made to command the gas valve, the igniter, the flame sensor and the blower all at once. The entire heating and cooling system will not function unless this important circuit board is installed as it should be according to the manufacturer. Be absolutely sure while searching to pick up a replacement control board due to variances between brand and air handler types. The brand of board you choose must have a matching part number consistent with both the brand and specific model of furnace or air handler you have.
Some clues your main board is failing
- The system board has to be powered down and back up all the time for the system to continue working
- The entire system cannot work well
- Could be an error code lit up on the circuit board
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