The T87 / Y87 is a line of modern digital room thermostats in both wired and wireless design with remote access via Honeywell RFG100 Internet Gateway. Room units of all wireless models are powered by 2xAA alkaline batteries. Possible applications include direct autonomous control of the heat source or use as a sensor for temperature measurement and adjustment within a multi-zone control system. In the second case they are intended for Evohome zone controllers and HCE80 underfloor heating controller.

Main features

• Single zone thermostat with the possibility of extending remote access connected via mobile application
• Connected models allow control and adjustment through Honeywell Total Connect Comfort Connected for smart phones and tablets modern stylish design for any interior
• Simple, intuitive operation with large rotating backlit display
• Control accuracy +/- 0,5 °C
• Service mode allows you to change the max. and min. set temperatures
• A range of models available for different installation and use
• Battery-powered models use 2 AA alkaline batteries with a minimum life of 2 years and are equipped with a battery low indicator
• Wireless models operate based on 2-way communication at 868 MHz with typical 30m signal range in common residential buildings
• Wireless control of the heat source takes place via the BDR91 relay box

Placement