TL20FR Zigbee
Smart TRV
Smart Thermostatic Radiator Valve with LED Display for precise temperature control.
Manage your home temperature remotely with the TL20FR. It features 4 operating modes, weekly programming, and broad compatibility with existing radiators via its M30 x 1.5mm thread and included adapter kit.
Intelligent Heating Control
Designed to ensure energy savings and optimal comfort, this device retains your settings via built-in flash memory even during internet outages.
Zigbee Connectivity
Utilizes the IEEE 802.15.4 Tuya Zigbee 3.0 protocol for reliable network communication.
Voice & App Control
Control via the Smart Life app, and fully compatible with Amazon Alexa and Google Home voice assistants.
4 Main Modes
Easily switch between Comfort (20°C), ECO (15°C), Anti-frost (5°C), and OFF modes.
Advanced Features
Includes open window detection (temperature drop of >1.5°C in 5 min) and automatic anti-calcification protection.
Technical Specifications
Designed to fit most standard radiators with adapters included for Danfoss RA/RAV/RAVL, Giacomini, Caleffi, and M28 valves.
| Power Supply | 3 x AA 1.5V batteries (not included) |
| Communication Protocol | IEEE 802.15.4, Tuya Zigbee 3.0 |
| Temperature Sensor | NTC, B=3380, R25=10KΩ±1% |
| Operating Temperature | 0-50°C (IP20 rating for indoor use) |
| Thread / Linear Travel | M30 x 1.5mm / 5mm |
| Dimensions | 59.4 x 59.4 x 95.5mm |
CE (RED, LVD, EMC) and RoHS compliant.
Product Images
Visual overview of the TL20FR Smart TRV and its LED interface.
Discuss your Zigbee TRV requirements
Contact the TELIN team for any inquiries regarding the TL20FR Zigbee Smart Thermostatic Radiator Valve.
TELIN · Energy-Saving Equipment & HVAC Thermostats
