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Goodman GKS90704CXAA Control Board
The control board is constructed to oversee the gas valve, the ignition igniter, the flame sensor as well as the blower all at once. HVAC systems will not run lest this board is properly connected to the unit. The proper control board must be compatible with both the make and model of your particular system. You must be careful while selecting a replacement due to so many small differences in HVAC systems.
Clues of a defective main board
- System has a strange code appearing somewhere on the circuit board
- The entire system has to be reset quite frequently for it to run correctly
- The unit ceases to start at all
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