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There's a "copy last setting" key that will automatically copy all the times and temps of your initial setting. You just have to push "copy" for each day.

Ive seen this problem before. Not just a lennox in particular. And what I found to resolve it was to properly set the gas pressure, also make sure the igniter is mounted with correct placement and...

10 or 15 minutes is enough time to kick on second stage of heating by way of the thermostat. And with a dual fuel, the furnace will operate as the second stage heat without engaging the outside heat...

As as service tech, I totally agree with the last reply. The first thing the tech will probably wanna do is verify that no orfices are clogged and then he should use a gas pressure tester to check...

Yeah, that should be a defrost termination switch that will stop the defrost cycle at approx. 55 degrees. The timer itself should energize the strips using the normally open contacts. Does'nt that...