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RTH5100B
11 69-2330EFS—01
About your new thermostatBattery replacement
Install fresh batteries immediately
when the REPLACE BATT warning
begins flashing. The warning flash-
es about two months before the
batteries are depleted.
Even if the warning does not
appear, you should replace batter-
ies once a year, or before leaving
home for more than a month.
Batteries provide backup power to
the display during power interrup-
tions. All settings are permanently
stored in memory, and do not
require battery power.
Press down and pull to remove.
M28308
Insert fresh AAA alkaline
batteries, then reinstall
battery holder.
Replace Batt
M28307
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