Description
Sonoff THR316 – 230V / 16A WiFi smart relay with temperature and humidity monitoring
Smartly automate temperature and humidity control according to ambient conditions
The Sonoff THR316 is a WiFi smart switch with a NO/NC dry contact, designed to automatically switch electrical equipment on or off based on the measured temperature and humidity. Perfect for controlling HVAC systems, boilers, humidifiers, dehumidifiers, aquariums or storage rooms.
Remote control via eWeLink
Control the connected devices directly from the eWeLink app, wherever you are – compatible with Android and iOS.
Real-time monitoring
Compatible with THS01, DS18B20 and MS01 sensors (RJ9 connector), it enables precise measurements and automatic reactions to changes in temperature and humidity.
Smart automations based on the environment
Set up scenes so that heating, cooling or ventilation systems run automatically according to the thresholds you set.
Maximum load 16A
Allows large equipment to be connected, such as boilers, air conditioners or industrial fans.
Voice compatibility
Works with Amazon Alexa and Google Assistant – you can control the relay by voice and check the sensor readings.
Data history and export
eWeLink stores the measurement history for 6 months, and the data can be exported in .xlsx format for detailed analysis.
Recommended applications
Control of boilers and air conditioning units
Automation of humidifiers and dehumidifiers
Monitoring conditions in greenhouses, cold rooms or warehouses
Environmental control in aquariums, terrariums or food dehydrators
Package contents:
Sonoff THR316 smart relay
User manual
Temperature/humidity sensors are purchased separately.
Practical use cases
- Fitted to the boiler or the heating circuit, it automatically regulates the temperature according to the daily schedule, reducing energy waste.
- Used to switch the heating on before you get home, controlling everything from the app wherever you are.
- Integrated with temperature sensors in other rooms for even and efficient heating throughout the home.
Technical specifications
| Model | THR316 (TH Origin, no display) |
| Power supply | 100–240 V AC, 50/60 Hz |
| Maximum load | 16A / 3500W |
| Connectivity | WiFi 2.4 GHz (IEEE 802.11 b/g/n) |
| Dry contact | NO/NC |
| Compatibility | eWeLink, Amazon Alexa, Google Assistant / Google Home |
| Compatible sensors | THS01, WTS01/DS18B20, MS01 (RJ9 4P4C) |
| Measurement history | 6 months, .xlsx export |
| Operating temperature | -10°C to +40°C |
| Operating humidity | 5-95% RH non-condensing |
| Mounting | DIN rail adapter |
| Dimensions | 98 × 54 × 27.5 mm |
The Sonoff THR316 is the ideal solution for precise environmental monitoring and control – automated, safe and smart!
The THR316 is the ideal choice for anyone who wants to cut heating bills through smart, programmable temperature control.
