LinkedGo ST1820 Wi-Fi Smart Thermostat
LinkedGo ST1820 Wi-Fi Smart Thermostat - Image 2
LinkedGo ST1820 Wi-Fi Smart Thermostat - Image 3

LinkedGo ST1820 Wi-Fi Smart Thermostat

£74.99

4 in stock

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Overview

LinkedGo ST1820 is a Wi-Fi smart thermostat powered by Shelly, designed for precise control of water-based and electric heating systems. It provides accurate temperature regulation, built-in humidity sensing, smart scheduling, and safety functions to improve comfort and energy efficiency.

Powered by the ShellyX chip, the ST1820 supports Wi-Fi and Bluetooth connectivity with no hub required, along with advanced networking features. It includes a dry contact relay output for boilers, pellet stoves, and heating valves, and can manage electric underfloor heating when paired with an external relay. Anti-freeze protection and automation features help safeguard heating systems during extended absences.

Key features

  • Wi-Fi operated smart thermostat with no hub required
  • Dry contact relay output for boilers and heating systems
  • Supports water-based heating and electric underfloor heating (via relay)
  • Built-in temperature and humidity sensors
  • Anti-freeze protection mode
  • Smart schedules with sunrise and sunset automation
  • Acts as Wi-Fi range extender and BLE gateway
  • Powered by ShellyX chip with Shelly platform support

Product information

Use cases
  • Boiler and heating valve control
  • Control gas boilers, pellet stoves, and heating valves using the integrated dry contact output.
  • Underfloor heating management
  • Manage electric underfloor heating systems when paired with a suitable external relay.
  • Smart temperature scheduling
  • Create heating programs based on time, sunrise, or sunset to optimise comfort and energy use.
  • Property protection during absence
  • Enable anti-freeze mode to prevent pipe damage in unoccupied properties.
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
Relay type
Dry contact
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
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
Physical
Mounting
Wall-mounted indoor installation
Dimensions
85.5 × 85.5 × 38 mm
What’s included
  • LinkedGo ST1820 Smart Thermostat
  • Mounting accessories
  • Quick start guide

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