Name: SONOFF Zigbee Thermostatic Radiator Valve – TRVZB (Zigbee 3.0)
Brand: SONOFF
Price: 24.99 GBP
Availability: OutOfStock

SONOFF Zigbee Thermostatic Radiator Valve – TRVZB (Zigbee 3.0)

SONOFF Zigbee Thermostatic Radiator Valve – TRVZB (Zigbee 3.0)

Sold out

£29.99

£29.99 - £29.99

£29.99

£24.99

£24.99 - £24.99

£24.99

Availability:

Out of stock

Quantity

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

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.

What’s Included

SONOFF TRVZB Smart Thermostatic Radiator Valve
6 × Valve Adapters (Danfoss RA / RAV / RAVL, Caleffi, Giacomini, M28 × 1.5 mm)
User Manual

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