Replacing The Batteries In Your Thermostat - White Rodgers SuperStat Pro SuperStat Pro Programmable Thermostat User Manual

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
Install batteries here.
AA alkaline batteries
12 SuperStat Pro User Guide