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Lennox CB30M-21 Ignition Control Board
The main reason to have an ignition control board is that it checks the natural gas, the ignition timing and other safety devices built into the system. The ignition control board was always an important electronic safety board that has now become a piece of the main circuit board instead of its own individual board.
Some warnings the chief ignition control board needs to be replaced
- The initial signal from the remote thermostat never turns up at the main board
- Any other problem attached to the system is researched and comes to be okay
- HVAC ignition cycle will not begin even though it is supposed to
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Before you decide on buying or ordering any Lennox CB30M-21 part, do your due diligence and double check the correct model as well as make a visual comparison in order to be sure the correct ignition control board is the one being purchased. HVAC professionals can be expensive so you could call around to find a good deal if money is a concern.
Feel free to download your manual for help.
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