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Lennox CB28UH-030 Control Board
The HVAC system will be unable to activate without the control board properly connected to the unit. The control board is created to oversee the gas valve, the ignition igniter, the flame sensor and the blower all together. You must be sure when you choose a replacement because of the many variances of heating and cooling systems. The board that you will choose will need to pair with the part number from both the brand and model of HVAC system.
Signs your main board is not going to last much longer
- The heating and cooling system is unwilling to go properly
- The HVAC system has to be powered down and back up rather frequently in order to run
- Could be an flashing code directly somewhere on the circuit board
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