It's possible! Remove the plug of the boiler and the Smile from the socket. Connect the Smile to the other boiler. To do this, follow step 2 in the manual. As soon as you have properly connected the Smile to the boiler, plug the boiler and the Smile back into the socket. Wait for the Smile and Anna to boot. Connect to the HTML interface via Go to “Settings”> “Heating settings” via the menu. Click on the “Check” button behind the CV protocol. The new boiler protocol is now recognized and you can use Anna in the same way as you are used to.