LinkedGo Smart Floor Heating Thermostat

The LinkedGo ST1820 is a smart thermostat powered by Shelly, offering precise control for water‑based and electric heating with built‑in WiFi and Bluetooth, no hub required. It supports advanced automation, safety features like anti‑freeze mode, and seamless integration with smart home systems for efficient, flexible heating control.

£65.50 inc VAT

SKU: LINKEDGO-FLOOR-HEAT-STAT Category:
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Description

Take full control of your home comfort with the LinkedGo ST1820 Smart Thermostat powered by Shelly. Built for precise and reliable heating management, it works seamlessly with both water-based and electric heating systems to keep your home warm while optimising energy use.

Powered by the ShellyX chip, the thermostat delivers full Shelly functionality and integrates effortlessly with leading smart home platforms. With built‑in WiFi and Bluetooth, it connects directly to your network without needing a hub. It also doubles as a WiFi range extender and BLE gateway, strengthening your entire smart home setup.

The ST1820 directly controls heating valves and supports loads up to 2A resistive or 1A inductive. A built‑in dry contact relay allows it to switch gas boilers, pellet stoves, and other heat sources on and off as required. For electric underfloor heating, it works alongside a Shelly relay to automatically regulate heat based on your selected temperature, offering flexibility across a wide range of heating configurations.

Designed with safety and accuracy in mind, the thermostat includes an anti‑freeze function that maintains a minimum temperature during extended absences, helping to prevent frozen or burst pipes. Built‑in temperature and humidity sensors, along with adjustable offsets, ensure accurate readings and consistent indoor comfort.

With full Shelly automation capabilities, you can create schedules and scenes to heat your home only when needed. Automations can be based on time, sunrise or sunset, or triggered by other smart devices, helping reduce energy consumption and lower running costs. The intuitive interface keeps things simple, making it easy to set and adjust your ideal room temperature.

Highly compatible and future‑proof, the LinkedGo ST1820 integrates smoothly with the Shelly Smart Control app, popular automation platforms, and open protocols, giving you complete control over your heating system today and tomorrow.

 

Key Features:

  • Connect directly to your WiFi network. No HUB required!
  • Simple design emphasising ease of setting the target temperature.
  • Features a dry contact relay to signal your gas boiler, pellet stove, or other heating sources to turn on and off.
  • Manages heating valves, signals heat sources like gas boilers and pellet burners, and supports electric underfloor heating through automation.
  • Keeps your home safe by maintaining a minimum temperature during long absences, preventing pipes from freezing and bursting.
  • Set custom schedules based on your daily agenda or follow the sunrise/sunset and control your temperature accordingly.

What’s Included:

  • 1x LinkedGo Smart Floor Heating Thermostat
  • 1x Quick Start Guide

Manuals & Datasheets:

Product Specifications

Physical and Performance Attributes

Dimensions (L x W x H)85.5 × 85.5 × 38 mm

Misc Product Attributes

Power
Power supply 110–240V ±10% 50/60Hz AC
Max switching current (AC) 2A resistive load
1A inductive load
Features
Temperature control range 15–35°C
Temperature measurement accuracy ±0.5°C
Humidity measurement accuracy ±5%
Ambient temperature -10°C to 55°C / 15°F to 130°F
Ambient humidity 5–95%
Connectivity
WiFi protocol 802.11 b/g/n (2.4 GHz)
WiFi RF band 2401–2486 MHz
WiFi max RF power < 20 dBm
WiFi range Up to 50 m / 160 ft outdoors
Up to 30 m / 100 ft indoors
Bluetooth protocol 4.2
Bluetooth RF band 2400–2483.5 MHz
Bluetooth max RF power < 4 dBm
Bluetooth range Up to 30 m outdoors
Up to 10 m indoors
Dimensions
Size (H × W × L) 85.5 × 85.5 × 38 mm