Thermostatic Radiator Valve Sonoff TRVZB Zigbee 3.0 — smart TRV for radiator temperature control

Intelligent Sonoff TRVZB Zigbee 3.0 Thermostatic Head provides precise temperature control for individual rooms. The device supports Zigbee 3.0 connectivity for remote management via a mobile app, programmable schedules, window-open detection, and a Child Lock to prevent accidental changes. The thermostatic head fits standard radiator valves and runs on three AA batteries, offering a compact and user-friendly solution for automated heating control.

Advantages

The Sonoff TRVZB enables remote temperature adjustments from anywhere, individual room regulation, and customizable schedules to reduce energy use. Integrated window detection stops heating during ventilation, and the Child Lock secures settings. Additional features include voice control compatibility, access to historical usage data in the app, and Smart Scenes for automation.

Key specifications

• Brand: Sonoff
• Model: TRVZB
• Color: White
• Input: 4.5V (3 x 1.5V AA batteries)
• Battery model: 1.5V LR6 Alkaline Battery
• Wireless connection: Zigbee 3.0
• Screw connection: M30 x 1.5mm
• Operating temperature: -10°C to 50°C
• Operating humidity: 5%–95% RH (non-condensing)
• Material: PC
• Weight: 154 g
• Dimensions: 59.4 x 59.4 x 95 mm
• Isolation means: Type 1.B
• Startup degree: 2
• Rated impulse voltage: 500 V
• Temperature setting range: 4°C–35°C

How to use

Install three AA batteries, attach the thermostatic head to the radiator valve using one of the supplied valve adapters and secure with the screw and nut if required. Pair the device with a Zigbee 3.0 gateway or compatible hub and follow the mobile app instructions to add the TRVZB. Set desired temperature schedules, enable window detection and Child Lock as needed, and create Smart Scenes or voice control through the supported platform. Check historical data in the app to fine-tune settings for energy efficiency.

Recommendations

For reliable operation, use fresh alkaline AA batteries and ensure the device is within range of your Zigbee hub. Select the correct valve adapter for your radiator and avoid exposing the unit to direct water or extreme condensation. Regularly review app data and schedules to optimize comfort and energy use.