Jofre wrote: Friday 31 March 2023 8:48 Hi,
Use port 25238 in the Opentherm Gateway with Lan interface.

Yes, that's it!
Now I'm seeing everything.

I've tried every port that was mentioned somewhere already, but this port I didn't come across.
Clear documentation / instructions is quite an issue...

Hi all,

I'm having issues with my heat pump and bought a OTGW to log its behaviour.
I already have Domoticz running on a RPi (OS = raspbian Buster), to log a few RF link thermometers and my electricity. Here I noticed for the last years, despite multiple attempts in settings and changing the system ...