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International Comfort Products HAC048GKA4 Control Board
The control board is designed to command everything including the gas valve, the igniter, the flame sensor as well as the blower all at once. The system will cease to run lest the circuit board is accurately installed and configured. Be very careful when you choose a control board due to variances between brands, models and types of systems. The board you choose should be compatible with both the brand and specific model of the unit you have installed.
Clues your main board will have to be replaced
- The furnace or AC cannot go correctly
- The system board has to be turned off and back on quite a lot in order to operate
- Could be an a flashing error code lit up on the front of the control board
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