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Lennox G40DF Ignition Igniter
The Lennox G40DF ignition igniter is the main device for flaming up propane or natural gas in your furnace. It is not possible for the furnace to get under way and establish any heat if it does not work.
Signals the igniter will need to be replaced
- There is no ignition by the system during the ignition sequence
- The furnace creates no heat when it is supposed to
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Before buying or ordering a replacement ignition igniter for your Lennox G40DF, do your due diligence and make sure of the correct model as well as make a visual inspection in order to be sure the correct ignition igniter is the one being purchased. The installing of the ignition igniter can be quite easy assuming you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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