Shelly LinkedGo smart thermostat (ST802-B PBS)

Smart Thermostat ST802-B PBS – a smart HVAC thermostat designed for underfloor heating, fan coil units, boilers, and ventilation systems. It supports Wi-Fi, Bluetooth, and RS485 / Modbus connectivity and integrates seamlessly with the Shelly Smart Control platform.

Features

• Controls underfloor heating valves and fan coil units
• Supports 3-speed AC/DC fan control, including 0–10 V analog output
• Dry contact relay for boilers and other heating sources
• Wi-Fi, Bluetooth, and RS485 / Modbus connectivity
• Built-in temperature and humidity sensor
• Anti-freeze protection
• Temperature and humidity calibration offsets
• 4? color touch display
• Temperature control range: +5 °C to +35 °C

Primary Uses

• Underfloor heating control
• HVAC and fan coil automation
• Boiler, heat pump, and valve control
• Room temperature and humidity management

Compatibility

• Works with the Shelly Smart Control ecosystem
• Supports MQTT, Webhooks, local REST API, and RS485 Modbus
• Compatible with Home Assistant, Alexa, Google Home, and other Shelly integrations

• Datasheet