Sonoff THR316 TH Origin Smart Temperature and Humidity Control Switch

Sonoff THR316 is a 16 A relay that will find its application in indoor pools, wineries or terrariums. It will also work well for home heating, irrigation systems or greenhouses. The product works with temperature and humidity sensors. You can also create schedules from the application and use automatic mode.

Compatible

Sonoff relay supports devices with high power consumption, such as underfloor heating. In addition, the RJ9 4P4C connector allows you to connect the product to other equipment. Depending on the connected sensor, you can monitor temperature, using the hermetic DS18B20 sensor, humidity (SI7021) or soil moisture, which is enabled by the MS01 sensor. The product also works with Home Assistant and IFTTT for greater freedom of use.

Remote control

The product allows you to remotely control your devices via the eWeLink app. From it, you can turn the device on/off no matter where you are. In addition, it is possible to set a timer or schedule, and the 8 available programs will allow you to customize the operation of the THR316 and save money on your electricity bill. The product is also compatible with Amazon Alexa and Google Assistant. In addition, with support for a LAN switch, you can use it even when network access is temporarily unavailable.

Stay up to date

The Sonoff smart switch monitors temperature and humidity in real time. If equipment turns on/off or devices reach a set value, you will be notified via the app. You can also automate switching with smart devices, such as smart sockets or heaters. That's not all! The app also allows you to view temperature and humidity history in the form of a graph by hour, day, and month. And you can export historical data for the last 6 months in xlsx format.

Thoughtful design

The Sonoff THR316 smart switch features a carefully thought-out design. The product has a large button to turn the device on/off. The included mounting rail allows you to easily attach the device to the desired location, and the shield on the front ensures safety. In addition, the improved wiring system protects against short circuits.

Safety of use

The switch uses high-quality materials that meet UL and RoHS requirements. It is made of flame-retardant PC, and thanks to the carefully considered design, it can be used safely in adverse weather conditions, such as storms. What's more, the RJ9 4P4C connector ensures a stable and reliable connection.

Included

• smart switch
• mounting rail
• instructions

Warranty: 12 months

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Same summary

The Sonoff THR316 TH Origin smart Wi-Fi switch is suitable for users who want to easily control the temperature and humidity in their home or smaller spaces without the need for a complex smart infrastructure. Wi-Fi connectivity allows for easy integration into existing networks, but due to its focus on specific functionality, it is best suited for users who want reliable remote control and automation for basic devices. It is not optimal for those who are building more advanced smart systems with multiple protocols or looking to support a larger number of devices in one ecosystem. Before purchasing, it is recommended to check whether the switch is compatible with your existing devices and applications.

Recommendation source: Enaa guides and team experiences.

User view

The typical user of this smart Wi-Fi switch is an individual or family who wants to automate the control of heating, cooling or humidification in their living spaces. It is most useful in apartments, houses or even holiday homes, where users value the ability to monitor and control the situation remotely. It is also practical in cases where you want to adjust the switching on and off of devices (e.g. heaters or humidifiers) to a schedule or specific conditions without constant physical presence.

Users also appreciate the wider compatibility and product range of the Sonoff brand, which allows for the construction of a simple, reliable and upgradeable smart home.

Why buy at Enaa

When purchasing products from Enaa, you can rely on experienced support and verified and detailed product presentations, making it easier for you to choose the right solution for your home. In addition, the descriptions are designed to highlight the most important limitations and advantages of each device, encouraging more informed decisions.

Answers to frequently asked questions

Can I control the Sonoff THR316 TH Origin switch via multiple mobile devices?

Yes, it is possible to control multiple devices, as you access the switch via an app on a phone or tablet with a Wi-Fi connection. It is important that all devices have the manufacturer's app installed.

Is the switch compatible with other smart home devices?

The switch is primarily designed for use with Sonoff devices and systems that support the Wi-Fi protocol. Before using with devices from other manufacturers, please check the specifications or the app for compatibility.

What happens when the internet connection goes down?

In the event of an internet outage, remote control via the app is not possible, but the switch will still be able to run preset schedules or automations if it supports them locally.

Is the switch suitable for use in damp areas such as a bathroom?

Before using in a humid environment, check the enclosure's protection level in the manufacturer's instructions. Some components may not be suitable for direct exposure to moisture.

Do I need additional equipment to install the switch?

For normal use, the switch does not require a hub or additional central units, but it does require a working Wi-Fi network and a socket that fits standard household connections.

Description updated: April 2026