White-Rodgers Blue Electronic Non-Programmable Thermostat

For use with fossil fuel or electric heat single stage 24V or mV systems. Easy-to-read 2 square inch display with backlight option. Accurate temperature control plus/minus 1 degree Fahrenheit. Permanent program retention, even during power loss. Exclusive Cool Savings feature saves energy during peak A/C demand periods. Long battery life, uses 2 AA-batteries (included). Simple set-up menu to activate additional features. Manufacturer part number 1F86-0244.