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You searched for: White-Rodgers 1F97-1277 Series Low Voltage Thermostat
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White Rodgers 1F97-1277 Blue Touchscreen Programmable Low Voltage Thermostat



White-Rodgers set an industry benchmark with the 90 Series Blue Touchscreen
Thermostats. Now, the new 90 Series Blue Touchscreen offers even more features,
delivering a new level of comfort.

Simple and logical installer menu set-up and programming and operation is enhanced with audio confirmation of touchscreen entries. Features like variable touchscreen security to prevent tampering, temporary and vacation overrides, and filter change reminders add convenience.

The thermostat includes programmable fan and remote sensing, as well as the exclusive Cool Savings™ feature and dual fuel control, providing the ultimate in comfort control. Our +/- 1° temperature accuracy will keep you comfortable and protect your HVAC systems.



  • Single Stage

  • Large, 12-square-inch display with 10-second backlight

  • Blue, lighted display for easier low-light viewing

  • Extra-large touch keys for easy operation

  • Exclusive Cool Savings™ feature saves energy during peak A/C demand periods

  • Remote sensing indoor or outdoor and at the thermostat

  • Programmable fan

  • Circulator fan cycling

  • Automatic daylight savings option

  • Furnace filter change reminder



  • Choice of 7 day, 5/1/1 day programmable or non-programmable (installer selectable)

  • Patented pre-programmed schedule simplifies time and temperature programming

  • Energy savings up to 33%



  • Setpoint Temperature Range: 45° to 99° F (7° to 32° C)

  • Operating Ambient Temperature: 32° to 105° F (0° to 41° C)

  • Dimensions (H-W-D): 4.6" x 5.9" x 1.2"

  • Universal Dual-Powered – choice of battery-powered or hardwired with battery back-up

  • 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


Electrical Specifications

  • Universal Dual-Powered – choice of battery-powered or hardwired with battery back-up

  • Terminal Designation: RC, RH, W, Y, G, L, O, B

    • Additional Terminals: 6, +, S, -

  • Battery Power: mV to 30 VAC, NEC Class II, 50/60 HZ or DC

  • Input-Hardwire: 20 to 30 VAC, 1.5 Amps (load per terminal), 2.5 Amps maximum load (all terminals combined)

  • Maintains room temperature differential within +/- 1 degree

Installation Instructions
Item CodeDescriptionVendorQuantity
1F97-1277 Blue Touchscreen Thermostat
White-Rodgers 24 Volt Programmable 1 Heat/1 Cool Thermostat (7 day, 5+1+1, or non-programmable). 90 SERIES BLUE TOUCHSCREEN thermostat. 24 VAC Hardwire, Battery
Mor Electric Heating