Honeywell Chronothermostat Programmable Digital Thermostat T3M

The T3M OpenTherm thermostat is designed for automatic time and temperature control of heating systems in houses and apartments based on the adjustable time program and temperature. It is compatible with 24-230V on/off appliances such as gas boilers, combi boilers and heat pumps. It is also suitable for controlling zone valves.

The T3M supports a device equipped with the OpenTherm® communication protocol.

This unit is the ideal solution for all those who require reliable and precise control with a modern appearance, simple operation programming.

Main features

• 7 day program
• OpenTherm® communication
• Programming options with 4 independent setpoints to meet comfort needs.
• Room temperature information
• The OFF position has a built-in freeze protection setting of a minimum of 5°C so your home's pipes never freeze.
• Automatic clock adjustment for "Daylight Saving Time".
• The thermostat is powered by 2 x 1.5 V IEC LR6 (AA) alkaline batteries
• Battery life is 2 years, low battery warning
• Wireless unit powered by 230V
• Regulation range 5…35 °C
• Measurement accuracy 0.5 °C