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- Wed Nov 08, 2017 11:50 am
- Forum: OpenTherm Setup & Help
- Topic: Evohome + Opentherm + Viessmann Vitodens 100
- Replies: 95
- Views: 6117
Re: Evohome + Opentherm + Viessmann Vitodens 100
Just got confirmation from Viessmann UK - all boilers with OT support will disable the option to setup max flow temp and also weather compensation (mine is Viessmann 111-w) However you can use their Vitotrol 100 OT which will allow to setup that parameter, there is no WIFI version of it, you are stu...