Smart thermostat Avatto WT410-BH-3A-B WiFi for gas boiler, 3A relay

Avatto WT410-BH-3A-B Intelligent Boiler Thermostat with 3A WiFi relay for gas boilers. This smart thermostat provides remote temperature control and weekly programming via Smart Life/Tuya Smart apps, supports voice assistants, and is designed for residential boiler systems with a maximum load of 3 A. The device includes an HD LED screen with adjustable brightness, NTC temperature sensing, and options for scheduling and integration with other smart devices.

Advantages

The Avatto WT410-BH-3A-B offers precise temperature control with 0.5°C setting accuracy and 0.1°C display resolution, low self-consumption below 1 W, and compatibility with Smart Life/Tuya Smart platforms. It supports voice control through Amazon Alexa, Google Home, and Yandex Alice, features child lock and thermostat sharing for multi-user access, and allows grouping and scene creation with other smart devices. Weekly programming with multiple daily periods and adjustable screen brightness improve convenience and energy optimization.

Suitable for

Key specifications

How to use

Install the thermostat on the boiler following the included instruction manual and secure with the supplied screws. Connect the device to the boiler's control circuit respecting the 3 A relay limit and the AC 100–240 V supply. Configure Wi‑Fi connection and link the unit to the Smart Life or Tuya Smart app to enable remote control, scheduling and voice assistant integration. Use the touch panel for local adjustments or the app/voice commands for remote operation. Set weekly programs with up to six time periods on weekdays and two on weekends, and adjust screen brightness or disable the backlight as needed.

Recommendations

Use the thermostat within the specified operating temperature range (-5 °C to 50 °C) and avoid exceeding the 3 A load. Calibrate temperature if required using the allowed calibration range (-9.9 °C to 9.9 °C). Enable child lock to prevent accidental changes and share device access only with trusted household members. For reliable Wi‑Fi operation, connect to a stable 2.4 GHz network supported by the Smart Life/Tuya Smart app.