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Lennox CB29M-21 Ignition Control Board
The main ignition control board controls the main gas intake valve, the igniter and a few other devices. It has always been a vital safety feature that some companies have moved to be a major component of the main board for the sake of being more efficient.
Important signs the chief ignition control board will have to be replaced
- Ignition system is unable to start even though it is supposed to
- Any other potential problem attached to the system is researched and comes to be in good condition
- Communication from the main thermostat never moves to the main board
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If you are going to be buying or ordering any Lennox CB29M-21 part, do your due diligence and make sure of the model number as well as make a visual inspection in order to be sure the proper replacement ignition control board is the one being purchased. Once you have the part to install the replacement part alone. Consult with a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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