# Thermostatic Radiator Valve Sonoff TRVZB Zigbee 3.0 — smart TRV for radiator temperature control

**URL:** https://aio.lv/en/product--sonoff-trvzb--10774704
**Data updated:** 2026-05-08 17:51 (EEST)
**Category:** Smart Sensors
**Manufacturer:** Sonoff
**Manufacturer code:** TRVZB
**EAN:** 6920075740950
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonoff-trvzb--10774704

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

Sonoff TRVZB is a thermostatic radiator valve with Zigbee 3.0 connectivity designed to replace manual radiator heads and enable remote temperature control. It fits standard radiator valves and provides automated room temperature regulation when integrated with a Zigbee hub or smart home system. Use cases include energy saving, scheduled heating, and more precise indoor comfort control.

## Long description

Intelligent Sonoff TRVZB Zigbee 3.0 Thermostatic Head provides precise temperature control for individual rooms. The device supports Zigbee 3.0 connectivity for remote management via a mobile app, programmable schedules, window-open detection, and a Child Lock to prevent accidental changes. The thermostatic head fits standard radiator valves and runs on three AA batteries, offering a compact and user-friendly solution for automated heating control.
Advantages
The Sonoff TRVZB enables remote temperature adjustments from anywhere, individual room regulation, and customizable schedules to reduce energy use. Integrated window detection stops heating during ventilation, and the Child Lock secures settings. Additional features include voice control compatibility, access to historical usage data in the app, and Smart Scenes for automation.
Key specifications
Brand: Sonoff
Model: TRVZB
Color: White
Input: 4.5V (3 x 1.5V AA batteries)
Battery model: 1.5V LR6 Alkaline Battery
Wireless connection: Zigbee 3.0
Screw connection: M30 x 1.5mm
Operating temperature: -10°C to 50°C
Operating humidity: 5%–95% RH (non-condensing)
Material: PC
Weight: 154 g
Dimensions: 59.4 x 59.4 x 95 mm
Isolation means: Type 1.B
Startup degree: 2
Rated impulse voltage: 500 V
Temperature setting range: 4°C–35°C
How to use
Install three AA batteries, attach the thermostatic head to the radiator valve using one of the supplied valve adapters and secure with the screw and nut if required. Pair the device with a Zigbee 3.0 gateway or compatible hub and follow the mobile app instructions to add the TRVZB. Set desired temperature schedules, enable window detection and Child Lock as needed, and create Smart Scenes or voice control through the supported platform. Check historical data in the app to fine-tune settings for energy efficiency.
Recommendations
For reliable operation, use fresh alkaline AA batteries and ensure the device is within range of your Zigbee hub. Select the correct valve adapter for your radiator and avoid exposing the unit to direct water or extreme condensation. Regularly review app data and schedules to optimize comfort and energy use.

## FAQ

### How much does the Thermostatic Radiator Valve Sonoff TRVZB Zigbee 3.0 cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 126 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sonoff products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sonoff service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10774704/60014898_large.webp