![Bosch Radiator Thermostat II [+M]](/accessories/img/25989c8f646bd67142d0.webp)
Bosch Smart Home
Bosch Radiator Thermostat II [+M]
Thermostats · Climate
MatterThreadBridge
Where to buy
- Bosch Smart Home websitebosch-smarthome.com
- Amazon UKamazon.co.uk
- Amazon DEamazon.de
- Galaxus DEgalaxus.de
Search other stores
Store links open the product’s own page, matched to this accessory by name and model number. Prices and stock aren’t checked and vary by region; check that the model you buy says it works with Apple Home or Matter.
In ReReHome
Mode, target temperature and heating and cooling thresholds.
And every other characteristic or Matter attribute it exposes.
Connectivity
- Thread
How it reaches your home
- Matter over Thread
- Zigbee → Bosch Smart Home Controller II → Apple Home (HomeKit bridge)
Identifiers
| Manufacturer | Bosch Smart Home |
|---|---|
| Model / SKU | Radiator Thermostat II [+M] |
| Model / SKU | EU12306 |
| Matter ID | 4617 / 12306 |
Reported versions
| Version | Date | Source |
|---|---|---|
| Firmware 2.0.9 | homedevices.app |
Compatibility notes
- [+M] variant is Matter over Thread (registry matter:4617:12306, model EU12306); catalog reports Thread, firmware 2.0.9. It can alternatively run as a Zigbee device on Controller II.
- Reported by HomeKit users in the HomeDevices community catalog (1 record, DE); not on Apple's accessory page.
- Category from the HomeKit category reported by the record.





