https://community.viessmann.de/t5/Gas/Vitocrossal-300CU3A-amp-Opentherm/m-p/293233#M86423 <P>Hi all,</P><P>&nbsp;</P><P>I would like to use the original KM BUS with a smart radiator (opentherm platform if possible but NOT tado) and saw there is a KM-BUS to openterm module available in the US... (see attached). Does this piece exist in Europe? How to use a non-tado smart radiator with Vitocrossal 300CU3A?</P><P>&nbsp;</P><P>Thanks.</P><P>&nbsp;</P><P>Marc&nbsp;</P> Mon, 19 Dec 2022 09:16:34 GMT Marc_VdV 2022-12-19T09:16:34Z https://community.viessmann.de/t5/Gas/Vitocrossal-300CU3A-amp-Opentherm/m-p/293233#M86423 <P>Hi all,</P><P>&nbsp;</P><P>I would like to use the original KM BUS with a smart radiator (opentherm platform if possible but NOT tado) and saw there is a KM-BUS to openterm module available in the US... (see attached). Does this piece exist in Europe? How to use a non-tado smart radiator with Vitocrossal 300CU3A?</P><P>&nbsp;</P><P>Thanks.</P><P>&nbsp;</P><P>Marc&nbsp;</P> Mon, 19 Dec 2022 09:16:34 GMT https://community.viessmann.de/t5/Gas/Vitocrossal-300CU3A-amp-Opentherm/m-p/293233#M86423 Marc_VdV 2022-12-19T09:16:34Z