SONOFF TRVZB is a thermostatic radiator valve with ZigBee connectivity that provides complete intelligent heating control for your home. It allows you to remotely adjust the temperature via the eWeLink app, control via voice commands via Alexa or Google Assistant, and create customized schedules to optimize energy consumption. Open window detection stops heating during ventilation, while child lock and frost protection protect your system. Compatible with M30 x 1.5mm valves and ZigBee 3.0 hubs for seamless home heating automation.

【Smart Control】 SONOFF Zigbee Thermostatic Radiator Valve supports all smart functions including APP remote control, voice command, scheduling and group control.

【Open Window Detection】 Automatically turns off the radiator during ventilation to prevent energy loss.

【Zigbee 3.0 Compatible】 Compatible with Zigbee 3.0 hubs such as SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-P and ZBDongle-E, as well as any Zigbee 3.0 compatible hubs.

【Compatible with a wide range of heating systems】 Fits standard "M30 x 1.5mm" radiator valves; The kit includes adapters compatible with most heating systems and manufacturers.

【Comprehensive Features】 Child Lock prevents children from accidentally changing settings. Frost protection prevents pipes from freezing and bursting. Maintains 6 months of historical data, allowing heating schedules to be optimized based on usage trends.

Model: TRVZB

Input: 4.5V ⎓ (3 x 1.5V AA batteries)

Battery model: 1.5V LR6 AA alkaline battery

Threaded connection: M30×1.5mm

Wireless connection: Zigbee 3.0

Temperature setting range: 4℃-35℃

Working temperature: 0°C~60°C

Case material: PC

Net weight: 154g

Product size: 59.4x59.4x95mm