---
title: "Sonoff TRVZB Smart Radiator Thermostat - Real Home Automations"
description: "Zigbee radiator thermostat with schedules, open-window detection and child lock."
canonical: "https://realhomeautomations.com/en/product/sonoff-trvzb-smart-radiator-thermostat/"
language: en-US
updated: 2026-10-16T23:27:53+00:00
---

# Sonoff TRVZB Smart Radiator Thermostat - Real Home Automations

Zigbee radiator thermostat with schedules, open-window detection and child lock.

> Canonical HTML page: https://realhomeautomations.com/en/product/sonoff-trvzb-smart-radiator-thermostat/

- **SKU:** 6920075740950
- **Price:** 25.98 €
- **Availability:** In stock
- **Brand:** Sonoff
- **Categories:** Climate, Sensors

Zigbee radiator thermostat with schedules, open-window detection and child lock.

## Room-by-room radiator control

The TRVZB replaces a compatible thermostatic radiator head and provides schedules, target-temperature control, open-window detection and a child lock through a supported Zigbee system.

### Key specifications

- Zigbee 3.0
- 5–30 °C setpoint range
- Three AA batteries included
- Valve adapters included
- Compatible with ZHA and Zigbee2MQTT

**Compatibility:** Confirm the valve body and adapter before ordering; the thermostat cannot repair a seized valve pin.