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International Comfort Products PHAD30N1K1 Control Board
The control board is made to command everything including the gas valve, the igniter, all the sensors and the blower all at once. Heating and cooling systems will not even run unless this important circuit board is in its proper place and configured for your unit. The control board you choose will have to be compatible with both the brand and model of the system you have installed. Be absolutely sure when choosing a control board because of the wide variety of systems.
Some warnings of a dying control board
- The board has to be powered down and back up many times a day for the furnace or AC to kick on
- There may be a flashing error code lit up on the control board
- The HVAC system declines to operate correctly
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