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International Comfort Products PGAA42E1K1 Control Board
Heating and cooling systems will not even be able to function lest this board is in connected and operational. The control board is designed to direct the gas valve, the igniter, the flame sensor as well as the air circulator all at once. You should always be careful when choosing a control board due to the many differences between brand and air handler types. The control board you choose will have a part number that will match both the make and model of the unit in question.
Easy warnings of a failing main circuit board
- Power to the circuit board has to be powered down and back up quite a lot for it to work
- System has a fault code shown on the circuit board
- Heat or AC unit refuses to work whatsoever
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