Pro1 IAQ T900 Universal Programmable Thermostat T955

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The T900 family of thermostats offers sophisticated styling, advanced technology, and an XL easy-to-see touchscreen. Light Key on the top makes it easy to check the status without ever changing settings. Intuitive wake, leave, return, sleep programming icons. 7-Day, 5/1/1, or non programmable options. Large, easy-to-read display. Programmable fan touchscreen.


  • Touchscreen
  • 7 Day or 5/1/1 programmable
  • Auto Changeover
  • 3 Heat/2 Cool Heat Pump
    2 Heat/2 Cool
  • Easy menu driven programming
  • Intuitive wake, leave, return, sleep programming icons
  • 13 sq. inch display
  • Blue back-light
  • Glow in the dark light button
  • Programmable fan
  • Electric or Gas configurable
  • Room temperature calibration adjustment
  • Set duel fuel balance-points
  • 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
  • Separate heating and cooling swing (cycle rate) adjustments


  • Range of temperature 41°F to 95°F (5°C to 35°C)
  • Control range of temperature 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 Energizer 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