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SONOFF Zigbee Thermostatic Radiator Valve – TRVZB (Zigbee 3.0)
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SONOFF Zigbee Thermostatic Radiator Valve – TRVZB (Zigbee 3.0)

Original price was: £29.99.Current price is: £24.99.

20 in stock

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Overview

The SONOFF TRVZB is a Zigbee 3.0 smart thermostatic radiator valve that upgrades existing radiators with precise temperature control, automation, and energy-saving heating management. It integrates with Home Assistant via Zigbee2MQTT or ZHA, as well as the eWeLink app and voice assistants, enabling remote control, scheduling, and smart heating automations.

Designed for easy installation, the TRVZB supports standard M30 × 1.5 mm radiator valves and includes adapters for common valve types. With open-window detection and precise 1% valve adjustment, it helps optimise heating efficiency across your home.

Key features

  • Home Assistant compatible (Zigbee2MQTT / ZHA)
  • Zigbee 3.0 connectivity for stable local control
  • Precise valve adjustment from 0–100% in 1% increments
  • Open-window detection to reduce heating waste
  • Scheduling, automation, and remote control via eWeLink
  • Voice assistant support with compatible Zigbee hubs
  • Compatible with M30 × 1.5 mm radiator valves and included adapters
  • Powered by 3 × AA batteries

Product information

Use cases
  • Smart Radiator Temperature Control
  • Upgrade traditional radiators with smart thermostatic control, allowing precise temperature adjustments and automated heating schedules.
  • Home Assistant Heating Automation
  • Integrate the TRVZB with Home Assistant to build heating automations based on schedules, room occupancy, or temperature sensors.
  • Energy Saving Heating Management
  • Use open-window detection and automated scheduling to reduce unnecessary heating and improve overall energy efficiency.
Technical specifications
General
Model
TRVZB
Connectivity
Zigbee 3.0
App Support
eWeLink
Voice Control
Alexa / Google Assistant (via Zigbee hub)
Valve Control
Valve Control Range
0–100% (1% precision)
Compatible Valves
M30 × 1.5 mm and included adapters
Power
Power Source
3 × AA batteries (not included)
Physical
Dimensions
5.94 × 5.94 × 9.5 cm
Weight
157 g
Compliance
Certifications
CE, RoHS, UKCA
What’s included
  • SONOFF TRVZB Smart Thermostatic Radiator Valve
  • 6 × Valve Adapters (Danfoss RA / RAV / RAVL, Caleffi, Giacomini, M28 × 1.5 mm)
  • User Manual

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