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Need help?Do you have a question about the Vaillant VR 921 and is the answer not in the manual?
Adherence to all system component operating and installation instructions is mandatory.
These instructions are valid only for specific product article numbers.
Overview of the communication unit's place within the Vaillant system.
Details the physical design and components of the VR 920 and VR 921.
Explains connectivity features, wireless interface, and app compatibility.
Requirement for a password-protected network for product activation.
Explains the meaning of different LED states for product status indication.
Provides document numbers for specific VR920 and VR921 installation guides.
Addresses typical problems like internet connection failures and provides resolutions.
Lists contact information for Vaillant manufacturer and suppliers by country.
Adherence to all system component operating and installation instructions is mandatory.
These instructions are valid only for specific product article numbers.
Overview of the communication unit's place within the Vaillant system.
Details the physical design and components of the VR 920 and VR 921.
Explains connectivity features, wireless interface, and app compatibility.
Requirement for a password-protected network for product activation.
Explains the meaning of different LED states for product status indication.
Provides document numbers for specific VR920 and VR921 installation guides.
Addresses typical problems like internet connection failures and provides resolutions.
Lists contact information for Vaillant manufacturer and suppliers by country.
General| Remote Access | Yes |
|---|---|
| Communication | eBUS |
| Connectivity | WiFi |
| Compatibility | Vaillant eBUS heating systems |
| Functions | Holiday function |
