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Haier HPRD12XH7 Control Board
The HVAC system will be unable to activate without the board installed as it should be according to the manufacturer. The control board is constructed to control everything including the gas valve, the ignition igniter, most sensors as well as the air circulator all at once. It is imperative that you select wisely upon picking a replacement board due to the many differences between heating and cooling systems. The control board you choose is supposed to have a part number that matches both the brand and model of your particular system.
Major clues of a worsening main circuit board
- When turned on, there is a numbered error code displayed on the board
- The board has to be turned off and back on many times a week in order to run
- System refuses to function properly
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