The Honeywell T4M thermostat automatically controls heating and cooling in flats and houses according to the set time programme. Up to 6 time periods can be assigned to each day for temperature settings. Multiple modes can be set, e.g. a weekly programme (7x1 or 5+2) or Holiday mode, where setback temperature can be set for up to 99 days.

The modern, minimalist design fits into any home (vertical or horizontal mounting). Thanks to the large backlit display, it is easy to read in all lighting conditions. The T4M version is designed to control equipment fitted with the OpenTherm® communication protocol.

Features:

• power supply: 2x AA batteries
• OpenTherm® communication protocol
• temperature setting range 5-35 °C
• temperature control accuracy 0.5 °C
• active frost protection even in Off mode
• automatic and manual mode
• option to change the temperature for 2 hours without changing the programme and its settings
• weekly programme options 7x1 or 5+2
  (weekdays and weekend)
• Holiday mode (setback temperature for up to 99 days)
• automatic changeover between summer/winter time
• IP30 protection rating
• vertical or horizontal mounting
• does not offer Czech language setting