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Lennox CB29M-65 Ignition Control Board
An ignition control board has control over the natural gas, the ignition sequence and the flame sensing circuits. It has always been a vital electronic safety board that, in most cases, has become a piece of the main circuit board in order to have better control over the system.
Red flags of a faulty main ignition board
- Every other problem attached to the system is inspected and seems to be swell
- Communication from the main thermostat does not get to the Lennox control board
- Heating and cooling system is unable to kick in when it is supposed to
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Before buying or ordering a new Lennox CB29M-65 replacement part do your best and cross-check the model number as well as make a visual inspection so that you are positive that the right ignition control board is the one being purchased. HVAC professionals may have higher labor rates than others so you could call around to acquire the best rate if you do not want to pay too much.
Feel free to download your manual for help.
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