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Lennox 14ACX-018 Control Board
The system will cease to operate unless this important circuit board is hooked up and is correctly configured. The Lennox 14ACX-018 control board is made to control everything including the gas valve, the igniter, most sensors as well as the blower all in one unit. The selected board must have a matching part number consistent with both the brand and specific model of the unit you have installed. You must do some research while searching to pick up a replacement control board due to variances between particular brands and their models.
Red flags of an ailing Lennox control board
- The heating and cooling system is not able to start at all
- There may be some sort of code suddenly appearing somewhere on the circuit board
- Everything has to be reset many times a day for it to run correctly
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