It is customary in the heating industry to combine controllers of one manufacturer with boilers of another manufacturer. In the same way, tado° can be connected to various heating systems. The only requirement is that tado° supports the interface which is used to control the boiler. Since tado° is a brand new and innovative product, the customer service of the traditional manufacturers may not yet be familiar with tado° and may not be able to offer much information. We are happy to help you with all your questions related to heating system interfaces.