LinkedGo ST802-B - Smart HVAC Thermostat
Original price
£119.99
-
Original price
£119.99
Original price
£119.99
£119.99
-
£119.99
Current price
£119.99
Availability:
in stock, ready to be shipped
LinkedGo ST802-B is a Wi-Fi smart HVAC thermostat powered by Shelly, designed for advanced control of underfloor heating, fan coils, ventilation systems, and cooling applications. It is suitable for both single-room installations and integration into larger HVAC networks, providing flexible automation and precise climate management.
Built on the ShellyX chip, the ST802-B supports Wi-Fi and Bluetooth connectivity with no hub required, and can act as a Wi-Fi range extender and BLE gateway. It directly controls heating valves and fan coil units, supports 10 V DC analogue output for ventilation fans, and integrates with Shelly relays for electric underfloor heating. RS485/MODBUS support enables professional HVAC system integration.
Key Features
Use Cases
What’s Included
Technical Specifications
Power and Switching
Power supply: 110–240 V AC ±10%, 50/60 Hz
Maximum switching current: 2 A (resistive)
Maximum switching current (inductive): 1 A
Maximum switching current: 2 A (resistive)
Maximum switching current (inductive): 1 A
Temperature and Humidity
Temperature control range: 15–35 °C
Temperature measurement accuracy: ±0.5 °C
Humidity measurement accuracy: ±5%
Operating temperature: −10 °C to +55 °C
Operating humidity: 5–95% RH
Temperature measurement accuracy: ±0.5 °C
Humidity measurement accuracy: ±5%
Operating temperature: −10 °C to +55 °C
Operating humidity: 5–95% RH
Connectivity
Wi-Fi: 2.4 GHz 802.11 b/g/n
Wi-Fi max RF power: < 20 dBm
Wi-Fi range: Up to 50 m outdoors / 30 m indoors (environment dependent)
Bluetooth: 4.2
Bluetooth max RF power: < 4 dBm
Bluetooth range: Up to 30 m outdoors / 10 m indoors
Wi-Fi max RF power: < 20 dBm
Wi-Fi range: Up to 50 m outdoors / 30 m indoors (environment dependent)
Bluetooth: 4.2
Bluetooth max RF power: < 4 dBm
Bluetooth range: Up to 30 m outdoors / 10 m indoors
Communication
RS485: Yes
MODBUS: Supported
MODBUS: Supported
Physical
Mounting: Wall-mounted indoor installation
Dimensions: 87 × 87 × 39 mm
Dimensions: 87 × 87 × 39 mm