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International Comfort Products PH5560AKA2 Control Board
The control board is designed to control everything including the gas valve, the igniter, the flame sensor as well as the air circulator all at once. Your air handler will be unable to run at all without this vital piece of hardware is properly connected to the unit. The control board picked should have part numbers that match the brand and the model of air handler system you have. You must be sure while picking a new replacement board due to differences in models and types.
How do you know if your control board is not working right?
- The HVAC system has to be powered down and back up frequently for the thermostat to kick in
- There is numbered code directly somewhere on the board
- The heating and cooling system will not work well
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