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Option 1 · Bosch
Bosch Smart radiator thermostat II [+M]
Last updated October 2026
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Bosch Smart radiator thermostat II [+M] vs Sonoff Zigbee Thermostatic Radiator Valve
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Key differences between Bosch Smart radiator thermostat II [+M] and Sonoff Zigbee Thermostatic Radiator Valve
A summary of selected recorded differences between these radiator valves. Check the full specification table below for details and conditions.
Feature differences among your selected devices
- External Temperature Sensors (features): Bosch Smart radiator thermostat II [+M] — No; Sonoff Zigbee Thermostatic Radiator Valve — Yes (Is there a slight temperature difference between the room and around the radiator? You can select a SONOFF Zigbee temp. sensor as the external sensor. When it detects a temperature drop, the radiator immediately turns on, ensuring the room stays warm.).
Specifications to check side by side
- Thread (connectivity): Bosch Smart radiator thermostat II [+M] — Thread Border Router required; Sonoff Zigbee Thermostatic Radiator Valve — No.
- Apple Home (integrations): Bosch Smart radiator thermostat II [+M] — Yes; Sonoff Zigbee Thermostatic Radiator Valve — SONOFF Hub required (SONOFF lists this model among the Zigbee devices its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) publish to Matter, which is how it reaches the Apple Home app. Apple Home has no Zigbee radio of its own.).
- Matter (integrations): Bosch Smart radiator thermostat II [+M] — Yes; Sonoff Zigbee Thermostatic Radiator Valve — SONOFF Hub required (The device is not Matter itself: SONOFF lists it among the Zigbee models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish into Matter.).
- Battery Type (power): Bosch Smart radiator thermostat II [+M] — 2x AA; Sonoff Zigbee Thermostatic Radiator Valve — 3x AA.
Information still to confirm
- 3 of 27 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
- Check the full table and manufacturer documentation before ruling out a device.
These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.
Compare capabilities, compatibility and setup requirements.
Option 2 · Sonoff
Sonoff Zigbee Thermostatic Radiator Valve
Catalog update date not recorded
View full device profileWhat the catalog tells us
Understand the tradeoffs.
These counts describe the available data, not a quality score. More features do not automatically make a better device.
5differences with recorded values for every device
3rows with missing or unspecified information
Consider your setup
Apple Home
- Bosch Smart radiator thermostat II [+M]Yes
- Sonoff Zigbee Thermostatic Radiator ValveSONOFF Hub required
Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.
Inspect the specificationsConsider your setup
Matter
- Bosch Smart radiator thermostat II [+M]Yes
- Sonoff Zigbee Thermostatic Radiator ValveSONOFF Hub required
Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.
Inspect the specificationsYour priorities, side by side
Focus on what changes.
Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.
Showing 27 of 27 rows. “Not recorded” does not mean “No”.
Connectivity
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- Thread Border Router required
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- Zigbee Hub required
- Sonoff Zigbee Thermostatic Radiator Valve
- Zigbee Hub required
Display
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
- Bosch Smart radiator thermostat II [+M]
- Not recorded
- Sonoff Zigbee Thermostatic Radiator Valve
- Not recorded
Features
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
- Bosch Smart radiator thermostat II [+M]
- Yes
Catalog note
Children’s hands on radiator thermostats often lead to incorrect settings and wasted energy. But there is no need to sweat (or freeze) as a result: | Specify in the app or using the operating button on the device that manual settings on the device itself are no longer possible. | This way, kids cannot adjust anything on the smart thermostats, and you can still control the room temperature conveniently via app, voice assistant or room thermostat.
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
Catalog note
Prevent children from mishandling the radiator.
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
Catalog note
Is there a slight temperature difference between the room and around the radiator? You can select a SONOFF Zigbee temp. sensor as the external sensor. When it detects a temperature drop, the radiator immediately turns on, ensuring the room stays warm.
- Bosch Smart radiator thermostat II [+M]
- Yes
Catalog note
Prevents damage to radiators owing to open windows or unused rooms.
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
Catalog note
Make sure pipes don’t freeze and burst, keeping your home safe.
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- Not recorded
Integrations
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- SONOFF Hub required
Catalog note
SONOFF lists this model among the Zigbee devices its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) publish to Matter, which is how it reaches the Apple Home app. Apple Home has no Zigbee radio of its own.
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- SONOFF Hub required
Catalog note
The device is not Matter itself: SONOFF lists it among the Zigbee models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish into Matter.
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
Catalog note
Pairs with a SmartThings hub as a standard Zigbee device using the SONOFF driver
Power
- Bosch Smart radiator thermostat II [+M]
- 2 years
- Sonoff Zigbee Thermostatic Radiator Valve
- Not recorded
- Bosch Smart radiator thermostat II [+M]
- 2x AA
- Sonoff Zigbee Thermostatic Radiator Valve
- 3x AA
Scheduling
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
Catalog note
Set the heating schedule according to your daily needs, which greatly facilitates your life and only heats when needed.
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
Sensors
- Bosch Smart radiator thermostat II [+M]
- No
- Sonoff Zigbee Thermostatic Radiator Valve
- No
- Bosch Smart radiator thermostat II [+M]
- Yes
- Sonoff Zigbee Thermostatic Radiator Valve
- Yes
| Specification | Bosch Smart radiator thermostat II [+M] | Sonoff Zigbee Thermostatic Radiator Valve |
|---|---|---|
| Connectivity | ||
| No | No | |
| No | No | |
| No | No | |
| Thread Border Router required | No | |
| No | No | |
| Zigbee Hub required | Zigbee Hub required | |
| Display | ||
| Yes | Yes | |
| Not recorded | Not recorded | |
| Features | ||
| Yes | Yes | |
YesCatalog noteChildren’s hands on radiator thermostats often lead to incorrect settings and wasted energy. But there is no need to sweat (or freeze) as a result: | Specify in the app or using the operating button on the device that manual settings on the device itself are no longer possible. | This way, kids cannot adjust anything on the smart thermostats, and you can still control the room temperature conveniently via app, voice assistant or room thermostat. | YesCatalog notePrevent children from mishandling the radiator. | |
| Yes | Yes | |
| No | YesCatalog noteIs there a slight temperature difference between the room and around the radiator? You can select a SONOFF Zigbee temp. sensor as the external sensor. When it detects a temperature drop, the radiator immediately turns on, ensuring the room stays warm. | |
YesCatalog notePrevents damage to radiators owing to open windows or unused rooms. | YesCatalog noteMake sure pipes don’t freeze and burst, keeping your home safe. | |
| No | Not recorded | |
| Integrations | ||
| Yes | Yes | |
| Yes | SONOFF Hub requiredCatalog noteSONOFF lists this model among the Zigbee devices its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) publish to Matter, which is how it reaches the Apple Home app. Apple Home has no Zigbee radio of its own. | |
| Yes | Yes | |
| Yes | Yes | |
| Yes | SONOFF Hub requiredCatalog noteThe device is not Matter itself: SONOFF lists it among the Zigbee models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish into Matter. | |
| Yes | YesCatalog notePairs with a SmartThings hub as a standard Zigbee device using the SONOFF driver | |
| Power | ||
| 2 years | Not recorded | |
| 2x AA | 3x AA | |
| Scheduling | ||
| No | No | |
| Yes | YesCatalog noteSet the heating schedule according to your daily needs, which greatly facilitates your life and only heats when needed. | |
| No | No | |
| Sensors | ||
| No | No | |
| Yes | Yes | |
Know what’s behind the comparison.
The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.
Read our comparison methodology