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Lennox G24-200 Control Board
The Lennox G24-200 control board is designed to control everything including the gas valve, the igniter, most sensors as well as the air circulator all in one unit. The entire heating and cooling system will not run at all unless this board is accurately installed and configured. Be absolutely sure while searching to pick up a replacement control board due to the many differences between certain brands. The board you select will need to pair with the part number from both the make and model of furnace or air handler you have.
Clues of a worsening main circuit board
- There may be numbered code showing up on the circuit board
- Air conditioning or heating system cannot initialize correctly
- The board needs to be reset repeatedly for the system to continue working
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