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White-Rodgers 1F97-0671 Blue 6" 1 Heat / 1 Cool Thermostat

White-Rodgers 1F97-0671 Blue 6" 1 Heat / 1 Cool Thermostat

About This Thermostat

MFG: White-Rodgers
MFG#: 1F97-0671
Our#: 174477
Programmable: Yes (7 day / 5/1/1 OR non-programmable)
Stages: 1H & 1C
System Compatibility: Single Stage, Millivolt, Heat Only
Power Options: 24 VAC Hardwire, Battery, power stealing
Heat/Cool Changeover: Manual
Programmable Fan: No
Temperature Limits: Yes
Keypad Lockout: No
Backlight: Yes
Vacation Hold: No

White-Rodgers 1F97-0671 Blue 6" 1 Heat / 1 Cool Thermostat

The BlueT Universal and Single Thermostats are designed to deliver a new level of comfort.  They feature the largest display on a keypad operated thermostat, as well as simple and logical installer setup and
programming, enhanced by audio confirmation of entries. Features like variable keypad security to prevent tampering, and temporary and vacation overrides, add convenience. These thermostats offer power stealing assist for maximum battery life, remote sensing, as well as the exclusive Cool SavingsT feature providing the ultimate in comfort control and energy savings. Our +/- 1° temperature accuracy will keep you comfortable and protect your HVAC system. Emerson® BlueT is the result of smart, innovative thinking.

Exclusive 6" BlueT Features:

  • Large, 6-square-inch BlueT display with easy-to-see characters
  • Quick one-button programming
  • Configures as manual heat/cool, auto changeover, heat only or cool only
  • Exclusive battery power monitor
  • 5-year warranty


  • Large, 6-square-inch display
  • Blue, lighted display for easier low-light viewing
  • Larger, easy-to-read character size
  • Large keys for easy operation
  • Choice of 7-day, 5/1/1 day programmable or non-programmable (installer selectable)
  • 4 time and 4 temperature settings per program (2 setbacks) heat and cool, or selectable - 2 time and 2 temperature settings (1 setback)
  • Energy savings up to 33%
  • Patented pre-programmed schedule simplifies time and temperature programming
  • Intuitive menu-driven setup, programming and operation, with audio prompt to confirm entries
  • Permanent program retention during power loss
  • Indefinite setpoint Hold or temporary temperature override
  • Temporary temperature override will override program for two hours
  • Auto heat/cool changeover option - automatically switches between heating and cooling programs
  • Heating and cooling, heating only or cooling only configuration (installer selectable)
  • Setpoint temperature "limited range" capable
  • Furnace filter change reminder
  • Maintains room temperature to within +/- 1°F
  • Room temperature display can be recalibrated up to +/- 4°F
  • Choice of battery powered with optional power stealing assist or hardwired with battery backup
  • Selectable Energy Management Recovery
  • Meets ENERGY STAR® specifications -Meets California Building Code,  Title 24
  • Fast (FA) or slow (SL) heating cycle anticipation
  • Exclusive "Call for Service" diagnostic indicator
  • Compressor lockout protection
  • Millivolt compatible
  • Electric heat option

Terminal Designations - RC, RH, C, W, Y, G, O/B, 6, L, +, S, -
Dimensions: 4.2" H x 6.4" W x 1.7" D
Setpoint Temperature Range: 45° to 99°F (7° to 37°C)
Input Hardwire: 20 to 30 VAC / 1.5 Amps (load per terminal) / 2.5 Amps maximum load (all terminals combined)
Compatible with:
Standard Systems
Single Stage gas, oil, electric
Single Stage heat pump
Millivolt Systems