Honeywell RTHL2410 User Manual

Install two fresh AAA batteries when 
Lo Batt flashes on the screen. Lo 
Batt appears for 60 days before the 
batteries are depleted.
Replace batteries once a year, or 
when you will be away for more than 
a month.
Most settings are stored in non-
volatile (permanent) memory. Only the
clock and the day must be set after 
you replace the batteries.

Pull at bottom to 
remove thermostat 
from wallplate.

Turn thermostat over, 
insert fresh AAA alkaline 
batteries, then reinstall 
thermostat.

Set the System switch to Off before removing the
batteries. Otherwise, the heating/cooling system could
remain activated even when batteries are removed.

RTHXXXX

M32707

M32705