White-Rodgers Blue Universal Digital Programmable Thermostat, 1F95-0680
Special Feature: Auto Changeover, Filter Indicator, Lighted, Lockable, Programmable. This thermostat is compatible with oil/gas/electric, 3-wire zone valve and millivolt applications. Other features include easy-to-read 6″ lighted display, auto-changeover from heat to cool, temperature set-point limit with adjustable min/max.