Honeywell HomeT4 wired adjustable programmable thermostat uses standard thermostat fittings and connections, offering installers an easy, inexpensive choice when it comes to replacing an old thermostat. 
 
T4 wired thermostat brings effortless temperature control by simplifying temperature scheduling through automation and user-friendly features. It maximises energy efficiency through automated scheduling and streamlines the installation process by offering standardised fitting, plus it works with any system and any boiler.
 
Clear user friendly digital display with easily identifiable icons and backlight
7 days 5/2 days or single day scheduling giving users a schedule to suit their needs
Easy override functionality allows users to quickly make occasional changes 1 hour 2 hours or until the next set point
Automatic summer and winter time changes give users all year efficient control
Adjustable frost protection for added peace of mind
Receiver box with Simple flip up wiring bar in receiver box Utilise existing wiring from a wired thermostat Specific OpenTherm terminals