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Lennox XC15 Control Board
It is impossible for your furnace or air handler to even run at all unless this important circuit board is installed. The control board is constructed to control everything including the gas valve, the igniter, the flame sensor as well as the blower all at once. It is of utmost importance upon choosing a board as a replacement because of the wide variety of particular brands and their models. The brand of board you choose should match both the brand and model of your heating and cooling system.
Clues to watch for to know your Lennox control board needs to be replaced
- System has a strange code being shown somewhere on the board
- AC unit or heating unit refuses to function whatsoever
- The system has to be powered down and back up quite a lot in order to operate
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