Enver

@IvAn-source-git it's single-loop Where this file is located? I can't find it in ESPHome-OpenTherm folder. Please advise.

ok, from your repo I understood I simply can download it to my RPI and change it there. but what exactly do I have to change there?

@IvAn-source-git it didn't help In addition, I found out that some other data is also absent 

As you can see there is definitely incorrect data for: - external temp - water pressure - return temp I'm not sure if it affects anyhow the PID operation but...