Operating the water heater conveniently from everywhere? No problem.With Tronic excellence (AquaStop), the built-in WLAN module is included in the delivery even at the factory and enables the connection to the Bosch HomeCom Easy APP. The Internet-enabled Tronic Advanced (AquaStop/Plus), Tronic Comfort (AquaStop/Plus) and Tronic Line can be easily retrofitted. You only need to install the Connect key with a few simple steps. Finished!By means of the connect-key the flow-through heaters can be controlled easily by free Bosch APP Home-Com Easy. Allows you to change settings, ask status and more via your smartphone. The best recommendation:The installation is done in few seconds.Step 1: Remove the front cover.Step 2: Insert Connect Key.Step 3: Scan QR code on the cover of the connect key module with the Bosch APP HomeCom Easy.Step 4: Follow the registration steps after establishing the connection.This text is machine translated.