Replacing the batteries in your thermostat, Required battery type – White Rodgers SuperStat Pro Programmable Thermostat User Manual
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SuperStat Pro User Guide
Replacing the Batteries in Your Thermostat
If
BATT appears on your thermostat display, the batteries are low and need to be replaced.
Batteries are not required to keep your programming or menu data. However, with batteries installed, your thermostat will
maintain the time and continuously display the temperature during a loss of AC power.
Required Battery Type
AA alkaline batteries
Install batteries here.