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International Comfort Products H8DNL075B12B1 Control Board
Your system definitely will not run at all lest this board is installed. The control board is made to regulate the gas valve, the igniter, all the various sensors as well as the air circulator all together. You must be sure when you decide to replace your control board due to the many differences between particular brands and their models. The control board you choose should match both the brand and specific model of your International Comfort Products H8DNL075B12B1 unit.
Simple indications of a poorly working main circuit board
- Power to the control board has to be powered down and back up quite frequently in order to run
- When turned on, there is flashing code indicated on the front of the control board
- The HVAC system is unable to run well
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