White-Rodgers 80 Electronic Non-Programmable Thermostat

Two stage heat/cool, 2/1 stage heat pump and gas, oil, electric and millivolt systems, 2 or 3 wire hydronic zone system compatible. Modern design with a large, easy to read screen with a bright backlit display. Features temperature limits and keypad lockouts. Accurate temperature control plus/minus 1 degree Fahrenheit. Permanent program retention, even during power loss. Easy to install with built-in level, simple set-up menu and separate sub-base. Manufacturer part number 1F85U-22NP.