Large screen display - bright backlight, high contrast screen is easy to read
Easy to install: built in level indicator, simple, Intuitives set-up menu, terminal block connections
Selectable programming - standard feature on all programmable models
Dual Fuel Control: No sensor required, a fossil fuel kit may be added if user selectable balance point settings are desired, industry proven algorithms adjust automatically to satisfy a call for heat the most efficient way based on the system configuration
Advanced features - auto-changeover on universal models, keypad lockout, temperature limits
Permanent program retention during power loss
Optional continuous display light (with c wire)
Room temperature display can be recalibrated up to +/- 5 degree
Adjustable filter change reminders
A/C compressor protection

Emerson 1F85U-22NP 80 Series 2H/2C or 2H/1C Non-Programmable Thermostat