| A |  | When programming GemTech programmable thermostats, the period 1 (morn) starts after 12:00AM and go to period 4 (nite) 11:45PM. If you wish to have the night set back after 11:45PM, start your programming by using period 1 (morn) for your night set back, period 2 (day) would then be your wake up, etc.
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