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International Comfort Products PYMC42G1 Control Board
The control board is constructed to command everything including the gas valve, the igniter, all the sensors as well as the blower all together. The system will cease to operate without this vital piece of hardware is installed as it should be according to the manufacturer. You must be sure when you choose a replacement due to the many differences between models within certain brands. A matching board will have a part number that will match both the brand and specific model of your heating and cooling system.
Signals your main board is on its last leg
- Power to the circuit board has to be reset rather frequently for it to run correctly
- There is a flashing error code showing up somewhere on the board
- Air conditioner or furnace does not initialize well
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