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AQARA - Radiator Thermostat E1 - SRTS-A01




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A smarter, more comfortable heating control experience for your home.

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The Radiator Thermostat that can be used with the majority of water radiators such as space heaters, towel warmers or even warm floors. Takes the readings from external Aqara sensors and adjusts the heating power according to them.

Zigbee 3.0 Protocol and Matter Support

Enjoy the benefits of Zigbee 3.0 the fastest, most stable, and energy-efficient smart home technology and be sure about the future: the Aqara Radiator Thermostat will get Matter support after its official release.

Readings from the External Temperature Sensor (Including HomeKit)

Control the temperature of the whole room, not just around the radiator. Compared to other thermostats, the Aqara Radiator Thermostat can receive the temperature readings directly from the connected Aqara Temperature and Humidity Sensor, even in HomeKit!

All-Round Compatibility

Compatible with the most popular ecosystems and can be controlled by voice. Apple HomeKit, Alexa, Google, IFTTT, Alice, Marusya are supported.

2 in 1 Door and Window Opening Detection

Not to waste the energy, the TRV will turn off the heating in case an open door or window is detected. It can be done both based on the built-in temperature sensor that will detect a sudden temperature drop, or by connecting it to an Aqara Door and Window Sensor via automations, which will be more reliable.

Weather Automations and Freezing Protection

In case of the risk of pipe freezing, the heating will be turned on automatically. Moreover, thanks to the powerful Aqara Home automations, in case of the outside temperature dropping sharply, the room can be preheated to compensate for the change of temperature.  

Configurable Smart Schedules

The schedules can be set for the desired periods of time, such as night, and the transition between them will be smooth though as fast as possible.

Device Grouping Support

In case of having multiple radiators in one room, all of them will be synchronized in the most efficient way based on the actual temperature of the room.

Colorful Backlit Display

Compared to similar products, the Aqara Radiator Thermostat's LCD screen has backlight, increased viewing angles, extra high contrast as well as crisp and colorful icons.

1-Year Battery Life

No need to change the batteries after a few weeks of usage: thanks to Zigbee protocol and energy-efficient hardware, the Aqara Radiator Thermostat's battery can last up to one year.

Geofencing and Multi Home Support

If you have more than one home, you will be able to set up the independent automations for each of them, and start heating before you arrive, so that when you enter home, it will be already warm.

Easy Installation and Compatibility

The Aqara Radiator Thermostat includes adapters that make it compatible with a vast majority of radiator valves. As for the installation, it only takes a few minutes and does not require additional tools.


  • Radiator thermostat
  • Zigbee 3.0 protocol
  • Up to 1-Year battery life
  • Built in temperature sensor
  • Door and window opening detection
  • Geofencing and multi home support
  • Device grouping support
  • Configurable smart schedules
  • Easy installation



  • Power supply : 3V ⎓ (2 × 1.5V AA)
  • Battery life: 1 year
  • Communication : Zigbee 3.0 IEEE 802.15.4
  • Zigbee Maximum Output Power: <10 dBm
  • Zigbee Operation Frequency: 2405-2480 MHz
  • Operating Temperature: 0°C ~ 40°C
  • Operating Humidity: 0 ~ 95% RH, no condensation
  • Dimensions: Ø 57×89 mm
  • Threaded Connection: M30×1.5 mm

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