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Lennox R22 Control Board
Your system definitely will not function without the control board correctly installed. The control board is constructed to control everything including the gas valve, the ignition igniter, all the sensors as well as the blower all together. The proper control board must be compatible with both the brand and specific model of the unit in question. You must be careful while selecting a replacement because of the wide variety of heating and cooling systems.
Hints poorly running main board
- The whole unit is unable to operate at all
- There may be some sort of code being shown on the control board
- The whole system needs to be reset quite frequently for the furnace or AC to kick on
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