The PRO1 T731 features a large, easy to read, 4" sq. blue backlighted display, setpoint limits as well as adjustable heating and cooling swings (cycle rates) that are adjustable from 0.2°F - 2.0°F. It can be used for conventional single heat and cool operation or 2 heat/1 cool heat pump operation. The T731 is a non-programmable thermostat. This thermostat also has a 5 minute compressor delay protection (selectable on or off). It is electric or gas configurable. This thermostat can be operated with 2AA batteries or hardwired. The battery compartment is easily accessible on the front of the thermostat.
Dimensions are 4.7"w x 4.4"h x 0.8"d. Buttons are easy to use with up and down arrows and toggle switches for mode - HIGH/LOW Fan and COOL/OFF/HEAT.
Display Range: 41°F - 95°F (5°C - 35°C)
Control Range: 44°F - 90°F (7°C - 32°C)
Display Accuracy: +/- 1°F
Ambient Operating Range: 32°F - 105°F (0°C - 41°C)
Operating Humidity: 90% non-condensing max.
Terminals: R, C, Y, W, O, B, GH, GL
Load Rating: 1 amp per terminal, 1.5 amp maximum all terminals combined
Power Source: 18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire); Battery power from 2 AA Alkaline batteries