Make Opentherm boiler specific tweaks possible



I'm having an issue with opentherm using my boiler Enbra CD34H.

After some troubleshooting I found out that issue is caused by Opentherm message ID 14 (Maximum relative modulation) being send too often by Tado (every 6s).

Unfortunately support is unable to change this to 2mins intervals (which would fix the issue) for my boiler.

My boiler is very niche so I don't expect same others to have same issue, so more generally it would be great to have feature when opentherm can be tweaked (e.g. by support) for specific boilers.

I think this would help to increase Tado supported boilers with those, which has some strange, not fully compliant opentherm requirements like mine.

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