T4M Modulating 7 Day programmable Room Thermostat

The T4M programmable thermostat is a modern a wired 7-day Programmable Room Thermostat. It is designed to provide automatic time and temperature control of domestic systems in domestic or light commercial premises. It is fully OpenTherm compliant and additional data about the boiler status can be viewed on the T4M screen



Installing the T4M  Modulating Thermostat


  • Specifically designed to work with Open-Therm boilers
  • On screen text display and function buttons to ensure simplified programming and operation for all users
  • Energy saving OpenTherm modulation control
  • Optimum stop, start & delayed start features that learn how the room is heated
  • Two wire, OpenTherm connections are ideal for use with combination boilers
  • Easy to fit with a three step installation process:  Wire, Power Up and Test, Configure
  • New improved wall plate with extra wiring space
  • Clip on cover to the fixed wall plate
  • On screen heat demand icon makes start up testing easy
  • Simple push button access to configuration menus
  • Adjustable Frost protection
  • Away mode with specific temperature set (number of days changeable)
  • Temporary schedule override until next set point or for 1 or 2 hours
  • Schedule can be turned off – will operate as a variable setting thermostat only
  • Continuous time, displayed in extra-large LCD
  • Automatic Summer/Winter time change
  • 7-day programming with 7 day; 5/2 or single day schedules
  • Four or six independent time & temperature settings (default is 4)
  • Pre-configured 5/2 heating schedule
  • Optional backlight with extended light on time period
  • Burner 'ON' symbol


Product Code Model
T4H310A3032 T4 modulating