T855

Universal
Residential/Light Commercial  
Up to 2 Heat, 2 Cool Conventional 
Up to 3 Heat, 2 Cool Heat Pump
Battery or Hardwire
7 Day, 5/1/1 or Non-Programmable


  • 7 Day or 5/1/1 progammable

  • Auto Changeover

  • Easy menu driven programming

  • Intuitive wake, leave, return, sleep programming icons

  • 8 sq. inch display 

  • Blue backlight

  • Glow in the dark light button

  • Programmable fan

  • Electric or Gas configurable

  • Room temperature calibration adjustment

  • Separate heating and cooling swing (cycle rate) adjustments

  • Keypad lockout

  • Heating and cooling setpoint limits

  • 5 minute compressor delay protection (selectable on or off)

  • Filter change indicator(selectable on or off)

  • Simple private label badge system

  • Easy wire color coded terminal blocks

  • Universal sub-base

  • Mounts on wall or junction box

  • Battery or 24v power

  • 5 year warranty


The display range of temperature           
41˚F to 95˚F (5˚C to 35˚C)
The control temperature range
44˚F to 90˚F (7˚C to 32˚C)
Load rating
1 amp per terminal, 1.5 amp maximum all terminals combined
Display accuracy
± 1 °F
Swing (cycle rate or differential)
Heating is adjustable from 0.2°F to 2.0°F - Cooling is adjustable from 0.2°F to 2.0°F
Power source
18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire)
Battery power from 2 AA Alkaline batteries
Operating ambient
32° to +105° (O° to + 41°C)
Operating humidity
90% non-condensing maximum
Dimensions of thermostat
4.7"W x 4.4"H x 1.1"D

T119 Base not included but available for purchase in store (Discounts may apply)