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Lennox CB30U-31 Ignition Control Board
An ignition control board regulates the natural gas, the ignition ignitor and some other sensors. The ignition control board was always an important circuit board that has now become a part of the main control board in order to have better control over the system.
Cues of a poorly performing chief ignition control board
- Initial communication from the home thermostat never does reach the main board
- HVAC ignition cycle is unwilling to fire up no matter what
- Every other device within the heating and AC system checks out in good health
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If you decide on picking up or ordering a new Lennox CB30U-31 replacement part, do your due diligence and cross-check the model number as well as make a visual inspection in order to be sure the correct ignition control board is being ordered. If you are unsure about the installation of the new ignition control board by yourself then it is probably best to contact a professional to do the work for you.
Feel free to download your manual for help.
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