Avatto WT20R WiFi Smart Knob Thermostat – Electric Floor Heating & Water/Gas Boiler

The Avatto WT20R WiFi Smart Knob Thermostat is a sleek, intelligent thermostat compatible with electric underfloor heating, water underfloor heating, and gas boilers. Featuring a rotatable knob design and a vibrant TFT screen, it's easy to use and packed with smart features.

Which Version Do I Need?

Please select the correct variant for your heating system when ordering.

Key Features

• Rotatable Knob Design – Simple and intuitive operation.
• APP Remote Control – Control from anywhere via the Smart Life / Tuya app.
• Voice Control – Compatible with Amazon Alexa, Google Home, and Yandex Alice.
• Two Modes – Manual mode or Program mode.
• Programming Mode – 5+2 / 6+1 / 7-day scheduling, 6 time slots daily with individual temperature settings.
• Adjustable Backlight – Brightness adjustable or fully off to avoid disturbing sleep.
• TFT Screen – Displays weather, outdoor humidity, temperature, clock, and more.
• Disassemblable Design – Front and rear parts can be separated for easy installation.

Specifications

• Model: WT20R
• Power Supply: AC 100–240V (N: Neutral wire, L: Live wire)
• Load: 16A (Electric Underfloor Heating) / 3A (Water Underfloor Heating / Wall-hung Boiler)
• WiFi: 2.4GHz only
• App: AVATTO / Smart Life / Tuya
• Voice Control: Amazon Alexa, Google Home, Yandex Alice
• Certification: CE
• Origin: Mainland China

Setup Instructions

1. Connect power supply wires (refer to the included manual for cable connection methods).
2. On the main interface, press and hold the knob for 5 seconds until the WiFi indicator flashes – the device is now in pairing mode.
3. Open the AVATTO / Smart Life / Tuya app and connect to the device.
4. Authorise your voice assistant within the app for voice control.

⚠️ WiFi must be 2.4GHz. The Electric Underfloor Heating version includes an external sensor. The Water/Gas Boiler version does not. If you encounter any issues, please contact our customer support team.