Honeywell Y4H910RF4003 T4R 7 Day Wireless Programmable Thermostat , 230 V, White

Product Information

The Honeywell Home T4R 7 Day Wireless Programmable Thermostat (Y4H910RF4003) is the wireless version of Honeywell’s T4 thermostat range with OpenTherm control as standard via the Honeywell Home R4H910RF wireless receiver box, offering a simple solution designed to fit any boiler. Designed for domestic and light commercial premises, the Honeywell Home T4 Series of programmable thermostats simplifies temperature scheduling, offering a level of usability and control your customers now expect from today’s technology. The Lyric T4R Honeywell thermostat works with minimal interaction with the user, thanks to the following features: Honeywell T4R (Y4H910RF4003) is a wireless battery operated thermostat with optional OpenTherm control via the wireless receiver box, offering easy switch-over from an existing wireless receiver box. Designed for domestic and light commercial properties, the T4 Series of programmable thermostats simplifies temperature scheduling, offering a level of usability and automated control your customers now expect from today’s technology. With standardised fittings and wiring, the T4 Series also simplifies the installation process.

The T4 Series uses standard thermostat fittings and connections, offering installers an easy, inexpensive choice when it comes to replacing an old thermostat. After fitting, T4 Series thermostats are ready to use!

We are currently using Royal Mail Parcelforce and DPD as our delivery providers, all small items will be delivered by Royal Mail, these can take up to three working days to reach you. The T4R 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. Well suited to control combination boiler installations or additional zones in an S Plan Plus system

Honeywell Home T4R 7 Day Wireless Programmable Thermostat (Y4H910RF4003) Honeywell Home T4R Wireless Programmable Thermostat (Y4H910RF4003) box contains: When being installed the only wiring required is the connection of the relay unit (supplied) to the device being controlled, such as a boiler. The controller should be placed in an area where the RF signal (868 MHz) between the controller and relay unit isn?t hampered. Typical operating range is 30 metres. The Honeywell Home T4R 7 Day Wireless Programmable Thermostat (Y4H910RF4003) is the wireless version of Honeywell's T4 thermostat range with OpenTherm control as standard via the Honeywell Home R4H910RF wireless receiver box, offering a simple solution designed to fit any boiler. OFF position has an integral frost protection setting at minimum 5 C so that pipes in the house will never freeze Note: This is the Honeywell recommended replacement thermostat control unit for the discontinued CMS927B1049 model.

Delivery Policy

Honeywell HomeT4 is designed to provide automatic time and temperature control of domestic systems. It is compatible with 24 V to 230 V on or off appliances such as gas boilers, combi-boilers and zone valves and can be used as a temperature sensing device in an S or Y Plan system. It is well suited to control combination boiler installations or additional zones in an S Plan Plus system.