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Lennox G40DF-48B-070 Control Board
Your furnace or AC will not operate lest the circuit board is hooked up and is correctly configured. The Lennox G40DF-48B-070 control board is created to command everything including the gas valve, the ignition igniter, all the various sensors as well as the blower all together. It is of utmost importance while choosing a new control board due to the vast differences in certain brands. The chosen circuit board should have part numbers that match both the brand and model of the system you have installed.
General warnings of a poorly working Lennox control board
- Power to the circuit board needs to be reset frequently for everything to run again
- System has a flashing error code appearing somewhere on the circuit board
- Your system is unwilling to start correctly
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If you are going to be buying or purchasing a new Lennox G40DF-48B-070 replacement part do your best and cross-check the correct model as well as make a visual inspection in order to be sure the correct control board is the one being purchased. There is no rule that says you have to replace the part all by yourself. Hire a pro in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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