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International Comfort Products PGMD30G0904 Control Board
It is impossible for your furnace or air handler to even run at all unless the control board is in connected and operational. The International Comfort Products PGMD30G0904 control board is made to oversee the gas valve, the igniter, all the sensors as well as the blower all together. You should always be careful when you decide to replace your control board due to variances between systems. The proper control board should be compatible with both the brand and model of furnace or air handler you have.
Simple indications of a bad control board
- The unit cannot work at all
- When turned on, there is some sort of error code randomly appearing somewhere on the board
- The whole system has to be powered down and back up quite a lot for everything to run again
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