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Delonghi C120 Control Board
The control board is made to direct everything including the gas valve, the ignition igniter, the flame sensor as well as the air circulator all in one unit. Your air handler will be unable to operate lest the circuit board is properly connected to the unit. The chosen circuit board must have a matching part number consistent with both the brand and model of air handler system you have. You should always be careful while choosing a new control board because of the wide variety of heating and cooling systems.
Some clues of a poorly working main board
- There is an error code appearing on the board
- The control board has to be reset habitually for everything to run again
- Your system refuses to operate at all
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