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Lennox G40UH-60D-155 Ignition Control Board
The main reason to have an ignition control board is that it checks out the natural gas, the igniter and all the flame sensing devices. It has been a very important device that, in most cases, has become a major component of the main board instead of having two separate boards.
Simple signals the major ignition board is in dire straights
- Everything else attached to the system is explored and ends up being OK
- Initial communication from the main thermostat does not reach the main control board
- Initial sequence is unable to launch even when called upon
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Before buying or ordering a replacement ignition control board for your Lennox G40UH-60D-155, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the correct ignition control board is the one being purchased. There is no rule that says you have to install it yourself. Locate a pro in your community to hire and install the part for you.
Feel free to download your manual for help.
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