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International Comfort Products HMH Control Board
Your air handler will be unable to run at all without the board installed as it should be according to the manufacturer. The International Comfort Products HMH control board is constructed to command the gas valve, the igniter, most sensors as well as the blower all in one unit. It is imperative that you select wisely while searching to pick up a replacement control board due to variances between HVAC systems. The control board you choose will have to match part numbers both the make and model of the system you have installed.
What are the indications that my HVAC circuit board is not working right?
- Your HVAC unit will not work at all
- When turned on, there is lit up error code indicated somewhere on the board
- The whole system has to be powered down and back up quite often for the furnace or AC to kick on
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