Open box Thermostatic radiator valve Sonoff TRVZB, Zigbee 3.0

What does "open box" mean?

Open-box products are returned products with opened or damaged packaging, but fully checked from a technical point of view and completely functional. They come with the same warranty as new products.

Sonoff TRVZB – Zigbee 3.0 smart thermostatic valve

Control the temperature in every room more efficiently than ever
Sonoff TRVZB is a Zigbee 3.0 compatible smart thermostatic radiator valve that gives you full control over your home heating – directly from the eWeLink app. Easy to install and with smart functions such as scheduling, open window detection and child lock, the TRVZB helps you save energy without sacrificing comfort.

Quick installation, no special tools

Replace the old radiator valve in less than 5 minutes. Compatible with most standard mounting systems (adapters included in the package).

Remote control via Zigbee

Control your radiator temperature from anywhere through the eWeLink app by connecting the TRVZB to a compatible Zigbee gateway (e.g. Sonoff Zigbee Bridge Pro, NSPanel Pro).

Automations and scheduling

Set different temperatures for each day and hour – heat only the rooms in use and optimise consumption according to your schedule.

Temperature history in the app

Monitor the recorded values directly from the app to better understand your heat consumption and adjust the temperature efficiently.

Child lock function

Prevents accidental changes: activate „Child Lock” mode to lock the dial or the buttons on the device.

Open window detection

If a sudden drop in temperature is detected, the TRVZB automatically switches off the heating in that room, avoiding unnecessary energy loss.

High energy efficiency

It runs on 3 AA batteries (not included), with enough autonomy for the entire heating season thanks to the low consumption of the Zigbee 3.0 protocol.

Note: This product uses the Zigbee protocol and requires a compatible Zigbee hub/bridge (e.g. Sonoff ZBBridge-P / Sonoff ZBBridge-U / Sonoff ZBDongle-E / Sonoff Dongle-M) to be connected to the network and controlled from the app. It does not work on its own over WiFi.

Practical use cases

• Mounted on the radiator in place of the classic thermostatic head, it automatically adjusts the room temperature according to the daily schedule, reducing energy waste.
• Used to switch the heating on before you get home, controlling everything from the app wherever you are.
• Integrated with temperature sensors in other rooms for even and efficient heating throughout the home.

Technical specifications:

Sonoff TRVZB is the ideal solution for precise and efficient heating control, with visible savings on your energy bills!

The TRVZB is the ideal choice for anyone who wants to cut heating bills through smart, programmable temperature control.