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Honeywell Home T4 Programmable Thermostat (T4H110A1021) View larger

£ 65.99 inc VAT

Honeywell Home T4 7 Day Wired Programmable Thermostat (T4H110A1021)


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Honeywell Home T4 7 Day Wired Programmable Thermostat (T4H110A1021)

The Honeywell Home T4 7 Day Wired Programmable Thermostat (T4H110A1021) box contains:

  • 1x Honeywell Home T4 Programmable TPI Thermostat
  • 2x AA Alkaline Batteries
  • 1x User/Installation Guide

The Honeywell Home T4 7 Day Wired Programmable Thermostat (T4H110A1021) is the standard TPI wired version of Honeywell Home's T4 Series and is ideal to fit in place of an existing wired thermostat. Designed for domestic and light commercial premises, the Honeywell Home T4 Series of programmable thermostats simplifies temperature scheduling, offering a level of usability and automated control you expect. With standardised fittings and wiring, the Honeywell Home T4 Series also simplifies the installation process.

The Honeywell Home T4 7 Day Programmable Thermostat (T4H110A1021) has a clear user-friendly digital display with easily identifiable icons and simple push-button access to configuration menus. An easy override functionality allows customers to quickly make occasional changes without any hassle.

The T4 has automatic summer and winter time changes for all-year efficient control and a standby mode with frost protection for added peace of mind. It is also Suitable for Sundial S and Y Plan systems or for additional zones in an S Plan Plus system.

The Honeywell Home T4 Series uses standard thermostat fittings and connections, offering installers an easy, inexpensive choice when it comes to replacing an old thermostat.

  • Compatible with 24-230V on/off appliances such as gas boilers, combi-boilers and zone valves
  • The T4 can be used as a temperature sensing device in an S or Y Plan system
  • Well suited to control combination boiler installations or additional zones in an S Plan Plus system
  • On screen text display and function buttons to ensure simplified programming and operation for all users
  • Energy saving TPI control
  • Optimum stop, start & delayed start features that learn how the room is heated
  • Two wire, volt free 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
  • Optional Wired external sensor available (wired versions only)
  • 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
  • Battery powered (with low-power indicator)
  • Easy change battery compartment
  • Optional backlight with extended light on time period
  • Burner 'ON' symbol

If you have any questions about the Honeywell Home T4 7 Day Wired Programmable Thermostat, please email us.

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