Wired PTAC Control 
   2 Heat 1 Cool Heat Pump
   1 Heat 1 Cool Conventional 
   Battery or Hardwired 





  • Non-Programmable 

  • Wired PTAC Thermostat and base module 

  • Affordable Comfort Control 

  • Universal 2H/1C Heat Pump or 1H/1C Conventional 

  • Heating and Cooling Set point limits

  • Separate B & O terminals 

  • Separate heating and cooling swing (cycle rate) adjustments

  • Room temperature calibration adjustments 

  • Universal sub-base

  • Mounts on wall or junction box 

  • Battery or 24v power 

  • 5 year warranty 


T805 Installation Manual T805 Operation Manual



800 Family Brochure Pro1 Linecard


T631-2 Thermostat
The display range of temperature 41°F to 95°F (5°C to 35°C)
The 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