Description
The SONOFF TRVZB is a smart Zigbee thermostatic radiator valve designed to give you full control over your home heating system. With Zigbee 3.0 connectivity, it allows seamless integration with smart home ecosystems and enables real-time monitoring and adjustments. The valve supports programmable schedules and temperature presets, helping to maintain optimal comfort in every room while reducing energy consumption. Voice control via compatible assistants and app-based management make it convenient to adjust settings remotely or automatically based on daily routines. Its easy installation on standard radiators, combined with precise temperature control, ensures both efficiency and comfort throughout the home.
Key Features
Precise Temperature Control
⁃ Adjust radiator valve opening to maintain comfortable room temperatures.
Zigbee 3.0 Connectivity
⁃ Fast, reliable communication with compatible Zigbee hubs (SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-P/E, or any Zigbee 3.0 hub).
Remote Control via eWeLink App
⁃ Manage and schedule heating from anywhere using your smartphone.
Voice Assistant Support
⁃ Compatible with Alexa, Google Assistant, and SmartThings for hands-free operation.
Heating Schedules & Automation
⁃ Set daily or weekly routines, smart scenes, and group control for multi-room heating.
Battery Powered
⁃ Uses 3x 1.5V AA batteries (LR6 Alkaline, not included); typical battery life over six months depending on usage and environment.
Energy-Saving Features
⁃ Open-window detection pauses heating during ventilation.
⁃ Frost protection prevents pipe freezing and bursting.
⁃ Child lock prevents accidental changes.
Room-by-Room Heating
⁃ Adjust individual radiator valves independently to maintain optimal comfort.
Broad Compatibility
⁃ Fits standard M30 x 1.5 mm radiator valves; adapters included to support most heating systems and manufacturers.
Data & History
⁃ Maintains up to 6 months of historical data to optimize heating schedules based on usage trends.
Technical Specifications
| Specification |
Details |
| Model |
SONOFF TRVZB |
| Wireless Protocol |
Zigbee 3.0 |
| Control Range |
Adjustable temperature settings / valve percentage |
| App Support |
eWeLink (iOS / Android) |
| Voice Assistants |
Alexa, Google Home, SmartThings |
| Power Source |
3× 1.5V AA Batteries (not included) |
| Threaded Connection |
M30 x 1.5 mm |
| Compatibility |
Most standard radiator valves & heating systems |
| Material |
ABS/PC |
| Automation |
Schedules, timers, smart scenes, group control |
| Operating Temperature |
0 °C to +40 °C |
Why Choose the SONOFF TRVZB?
Full smart heating control with energy savings
Remote temperature adjustment via app or voice commands
Works with Alexa, Google Home, and SmartThings
Open-window detection, child lock, and frost protection
Fits most radiators with included adapters
Historical data helps optimize heating efficiency
Easy integration into multi-room smart home setups
