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Lennox G40DF-36B-090 Ignition Control Board
The main ignition control board regulates the natural gas, the igniter as well as other safety devices. The ignition control board was always an important device that has now become a major component of the main board for the sake of being more efficient.
Major warnings of a failing ignition control board
- The ignition cycle can not activate when it receives a proper signal
- Every other problem attached to the system is looked at and turns out to be a-OK
- Communication from the main thermostat gets lost before it makes it to the main control board
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If you decide on picking up or purchasing any Lennox G40DF-36B-090 replacement part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the proper replacement ignition control board is the one being purchased. Installation of the ignition control board is not difficult provided you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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