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

Product Information

Note: This is the Honeywell recommended replacement thermostat control unit for the discontinued CMS927B1049 model.

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. This is a modern 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. Compatible with 24 V to 230 V on or off appliances such as gas boilers combi boilers and zone valvesWell suited to control combination boiler installations or additional zones in an S Plan Plus system 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. 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.

On screen text display and function buttons to ensure simplified programming and operation for all users T4: compatible with 24-230V on/off appliances such as gas boilers, combi-boilers and heat pump, wired on the wall installations. 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. 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.Compatible with 24–230v on/off, OpenTherm appliances such as gas boilers Combi boilers and heat pump The Honeywell Home T4/T4M/T4R are designed to provide automatic time and temperature control of heating in domestic or light commercial premises. 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. The Lyric T4R Honeywell thermostat works with minimal interaction with the user, thanks to the following features: Honeywell Home T4R 7 Day Wireless Programmable Thermostat (Y4H910RF4003) Honeywell Home T4R Wireless Programmable Thermostat (Y4H910RF4003) box contains: