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GE AZ75H09DACM1 Control Board
Most systems will not activate without the main control board in place and connected. The GE AZ75H09DACM1 control board is designed to control everything including the gas valve, the ignition igniter, the flame sensor and the blower all at once. The board you choose should have a replacement part number that matches both the brand and specific model of HVAC system. You must be sure upon picking a replacement board because of the many variances of brand and air handler types.
Main clues your main board is in dire straights
- When turned on, there is a type of code instantly appearing on the front of the control board
- Power to the circuit board needs to be reset repeatedly for the thermostat to kick in
- The unit is not able to go at all
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