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Lennox G43UF-36B-070 Ignition Control Board
The main ignition control board controls the natural gas, the ignition timing and all the flame sensing devices. It is an important electronic safety board that is now usually a standard part of the main board for the sake of being more efficient.
Symptoms of a poorly performing ignition control board
- The on-signal from the primary thermostat never reaches the main board
- Any other device within the furnace is inspected and turns out to be problem-free
- HVAC ignition cycle does not begin when it receives a proper signal
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Before buying or purchasing a new Lennox G43UF-36B-070 replacement part, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the correct replacement ignition control board is the one being purchased. There is no need to install it yourself. Locate a pro locally to do it for you.
Feel free to download your manual for help.
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