Bluetooth Smart Thermostat - save 10% with an advantage package
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SIRO Bluetooth Thermostat Advantage Package 2

  • Save up to 30% on heating costs. Automatic shutdown when windows are open
  • Simple design with LED display
  • Easy configuration and operation. Individual programs
  • Open window detection, child lock, frost protection function, battery status display and much more
  • App control via “Smart Life” app possible without gateway
  • Compatible with Amazon Alexa and Google Home in connection with Bluetooth Gateway SL02604B


Incl. VAT

Delivery time: 1-3 workdays

scope of delivery

  • 4x Smart thermostat, radiator thermostat incl. Adapter sets compatible with Danfoss, Caleffi and Giacomini valves
  • 1x bluetooth gateway

Technical details

  • Supply voltage: 2x AA battery
  • Operating temperature range: 5 ° C to 30 ° C
  • Ambient temperature: -10 ° C to 60 ° C
  • Union nut: M30 x 1.5 mm

operation manual

Smart thermostat bluetooth

The Smart Bluetooth Radiator Thermostat SIRO SL02105B

The smart radiator thermostat SL02105B from Haus SIRO with Bluetooth gives you easy access to a smart heating system with minimal effort. Whether in your own home or for rent by simply exchanging it – instead of the conventional thermostat, with the SIRO Smart radiator thermostat you immediately benefit from all the advantages of a modern and intelligent heating system.

Easy conversion

All the assembly work to replace your existing thermostat with the SIRO Smart Radiator Thermostat consists only of unscrewing the old thermostat and screwing on the new one, which usually does not take a minute. The radiator does not have to be vented or the water drained. In addition, adapter rings are included in the scope of delivery, which make the SIRO radiator thermostat compatible with almost every valve common in Germany.

Energy savings of up to 30%

With the SIRO radiator thermostat you can save up to 30% on heating costs through several interlocking measures. You not only reduce your own costs, but also make your contribution to environmental protection.

The analysis of the room characteristics and the inclusion of the weather forecast enable energy-saving heating. The intelligent time program and the app control not only make the heating efficient, but also avoid unnecessary heating. With the time program, you will never forget to switch off the radiator when you are absent.

In addition, the graphically displayed consumption statistics show at which points you can still adjust your time program for efficient and conscious use.


App control with gateway

With the Smart Life app you can control and program the SIRO Smart Bluetooth radiator thermostat SL02205B. This is exactly how it works on the Tuya app, if you are already using the app.

In connection with a compatible Bluetooth gateway such as the SIRO SL02604B, you have every option to implement an intelligent heating system with a time program, scene program, weather-dependent program, remote and voice control via Amazon Alexa and Google Home.

App control without gateway

The SIRO Smart Bluetooth radiator thermostat SL02105B can also be controlled via the Smart Life app without a gateway. The Bluetooth system installed in the device also enables a direct connection to your mobile phone and makes it possible to use it without a gateway.

This does not, however, include the option of remote control and voice control; these functions are not possible without a gateway.

Purchase option

4x thermostats, 4x thermostats + 1x gateway


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As a thank you, you will receive a 5% shopping cart discount. Please enter the code Smartlife05 in the discount line provided in the shopping cart.