Honeywell T4R Wireless Programmable Room Thermostat


Honeywell T4R Wireless Programmable Room Thermostat
Honeywell T4R Wireless Programmable Room Thermostat
The Honeywell T4 is a wireless 7-day Programmable Room Thermostat. It is designed to provide automatic time and temperature control of domestic systems in domestic or light commercial premises, and has a wide range of features for energy-efficient, intelligent home heating, including TPI control and Away mode.



Honeywell T4R Wireless Programmable Room Thermostat

  • Type: Digital room thermostat
  • Brand: Honeywell
  • Wireless thermostat with 30m range
  • 1 year warranty
  • Compatible with  gas boilers, combi-boilers and zone valves
  • 7-day programming with 7 day; 5/2 or single day schedules
  • On screen extra-large LCD screen display and function buttons 
  • 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
  • On screen heat demand icon makes start up testing easy
  • 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
  • Automatic Summer/Winter time change
  • Can be used as a temperature sensing device in an S or Y Plan system
  • Four or six independent time & temperature settings (default is 4)
  • Optional backlight with extended light on time period
  • Burner 'ON' symbol
  • Honeywell

  • Y4H910RF4003

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