Battery Replacement - Honeywell RTH4300B Operating Manual

Operating Manual

Battery replacement

About your new thermostat
Pull at bottom to
remove thermostat
from wallplate.
Turn thermostat over,
insert fresh AA alkaline
batteries, then reinstall
thermostat.
69-2226EFS—05
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Install fresh batteries when the REPLACE
BATT warning begins flashing. The
warning flashes about two months
before the batteries are depleted.
Replace batteries once a year, or
before leaving home for more than a
month. If batteries are inserted within
one minute, the time and day will not
have to be reset. All other settings are
permanently stored in memory, and do
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not require battery power.
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