The T3R wireless thermostat is a new type of thermostat from Honeywell replacing the older models CM 927, CM 907, CM727, and CM707. It is designed for the automatic control of heating systems in flats and houses according to an adjustable time schedule and temperature. It is compatible with heat sources controlled by a volt-free contact (24 / 230 V), such as gas boilers, combination boilers, and heat pumps. It is also suitable for controlling zone valves.

The T3R thermostat is in a wireless design and the package also includes a wireless switching unit. The control unit can be mounted directly on the wall or into an installation box. 

The T3R is the ideal solution for anyone who requires reliable and precise control with a modern appearance, simple programming, and operation.

Main features:

• 7-day program
• Ability to set 4 independent time periods for each day of the week
• Information on room temperature
• OFF mode includes frost protection at a minimum of 5°C – the pipes in the house will never freeze
• Automatic time setting for "summer time"
• The thermostat is powered by alkaline batteries 2 x 1.5 V IEC LR6 (AA)
• Battery life is 2 years, low battery warning
• Wireless unit powered by 230 V
• Setting range 5…35°C
• Measurement accuracy 0.5°C

Not suitable for electric heating applications (240 V).