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?
| Heating Type |
Load Rating |
External Sensor |
| Electric Underfloor Heating |
16A |
✅ Included |
| Water Underfloor Heating / Wall-hung Gas Boiler |
3A |
❌ Not included |
Please select the correct variant for your heating system when ordering.
Key Features
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Rotatable Knob Design – Simple and intuitive operation.
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APP Remote Control – Control from anywhere via the Smart Life / Tuya app.
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Voice Control – Compatible with Amazon Alexa, Google Home, and Yandex Alice.
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Two Modes – Manual mode or Program mode.
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Programming Mode – 5+2 / 6+1 / 7-day scheduling, 6 time slots daily with individual temperature settings.
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Adjustable Backlight – Brightness adjustable or fully off to avoid disturbing sleep.
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TFT Screen – Displays weather, outdoor humidity, temperature, clock, and more.
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Disassemblable Design – Front and rear parts can be separated for easy installation.
Specifications
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Model: WT20R
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Power Supply: AC 100–240V (N: Neutral wire, L: Live wire)
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Load: 16A (Electric Underfloor Heating) / 3A (Water Underfloor Heating / Wall-hung Boiler)
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WiFi: 2.4GHz only
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App: AVATTO / Smart Life / Tuya
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Voice Control: Amazon Alexa, Google Home, Yandex Alice
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Certification: CE
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Origin: Mainland China
Setup Instructions
- Connect power supply wires (refer to the included manual for cable connection methods).
- On the main interface, press and hold the knob for 5 seconds until the WiFi indicator flashes – the device is now in pairing mode.
- Open the AVATTO / Smart Life / Tuya app and connect to the device.
- 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.
