Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Vitodens 200 WB2B opentherm?


I was wondering if anyone has used a Viessmann Open Therm to KM bus module with a Vitodens 200 WB2B.

I have only used it with the 2BHB and have not been able to find info on if the opentherm KM bus adapter works with the older WB2B.

Thank you fornyour help