Smart thermostat Avatto WT20R-WH-3A-W WiFi — room temperature controller with Wi‑Fi and energy-saving modes

The Avatto WT20R-WH-3A-WiFi smart WiFi thermostat is designed to control water heating systems. It supports WiFi connectivity and integrates with Smart Life and Tuya apps, as well as voice assistants, enabling convenient remote management and automated temperature control for rooms.

Advantages

The thermostat provides precise setpoints from 5 to 45°C with 0.5°C increments and a measurement accuracy of ±1°C. Built-in calibration ensures real readings. WiFi support allows remote operation and scheduling via Tuya and Smart Life, and compatibility with Amazon Alexa, Google Home and Yandex Alice enables voice control. Family Sharing and Group Control let multiple users and multiple devices be managed together, suitable for zoned heating.

Key specifications

How to use

Install the thermostat in accordance with local electrical regulations and connect it to the heating system using the specified wiring for a 95–240 V AC supply. Pair the device with your WiFi network and set up the Tuya or Smart Life app to enable remote control and create daily schedules. Use the built-in sensor or an external NTC3950,10K probe for room temperature measurement and, if necessary, apply calibration through the app or device menu. Configure Family Sharing and Group Control in the app to allow access for other household members and to manage multiple thermostats together.

Recommendations

For reliable operation, place the thermostat away from direct sunlight and sources of drafts or heat. Verify compatibility with your water heating system and ensure the load does not exceed 3 A. Follow the installation instructions and local safety regulations, and use the app updates provided by Tuya/Smart Life for best performance.