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Lennox G26Q3-75 Control Board
Your air handler will be unable to operate unless the control board is properly connected to the unit. The control board is constructed to oversee everything including the gas valve, the igniter, all the sensors as well as the blower all together. The chosen circuit board will have a part number that will match the brand and the model of the unit in question. Be very careful when you choose a control board because of the diversity of brands, models and types of systems.
Signals your control board has to be replaced
- The unit does not run well
- The control board has to be powered down and back up habitually in order to continue running
- There is a fault code appearing on the circuit board
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