Acts as the communication interface between Viessmann heating systems and the ViCare app.

Enables remote monitoring and control of the heating system via ViCare on mobile devices.

Allows authorised contractors to access the system remotely using the Vitoguide app, reducing service response times.

Direct connection to Viessmann heat generators equipped with Vitotronic control units and Optolink interface.

Suitable for wall‑mounted boilers, floor‑standing boilers, heat pumps, hybrid systems, and solid fuel boilers (subject to model and software version).

Supports Viessmann appliances with OpenTherm interface produced after October 2017 (without OpenTherm extension).