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Lennox CB30U-46 Control Board
The Lennox CB30U-46 control board is constructed to regulate the gas valve, the ignition igniter, all the various sensors as well as the air circulator all at once. Heating and cooling systems will not even be able to function unless this board is correctly installed. The control board picked should have part numbers that match both the make and model of the unit in question. You must be careful when you are deciding on a replacement because of the diversity of certain brands.
Signs of a poorly performing control board
- The AC or furnace cannot go properly
- Could be an a numbered error code displayed on the front of the control board
- The entire system needs to be reset repeatedly for the heating or cooling to kick in
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If you decide on picking up or ordering, do your due diligence and make sure of the correct model as well as make a visual inspection in order to be sure the correct control board is being ordered. There is no need to install it yourself. Hire someone with experience locally to hire and install the part for you.
Feel free to download your manual for help.
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