Price: £99.86 excluding VAT (£119.83 including VAT)
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
Wireless communication between thermostat and receiver box with 30m range
Pre-bound to the wireless relay box, no need to establish a binding
On screen text display and function buttons to ensure simplified programming and operation for all users
Energy saving TPI control
Optimum stop and start and 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
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
Displayed on an extra-large LCD screen
Automatic Summer/Winter time change
7-day programming with 7 day 5/2 or single day schedules
Four or six independent time and 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
Wireless Relay box
Designed for the installer in mind, this relay box comes pre-bound to the Honeywell T4R and provides the link between the boiler and the wireless thermostat.
Lift up wiring bar for easy wiring
OpenTherm terminals as standard
Clear wiring labels
If your boiler model doesnt appear here please contact us
Honeywell Y4H910RF4003 HONEYWELL Y4H910ORF4003 T4R WIRELESS PROGRAMMABLE THERMOSTAT. The Heatxchange are suppliers of GENUINE Honeywell parts and spares.
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