Hi everyone. We have gas central heating made by ATAG. It’s the ATAG Q25S. The room unit is a BrainQ RSC/6. Replacing the BrainQ with an ATAG One would cost several hundred euros, so I’m exploring cheaper options. Also I like the BrainQ very much. It’s retro, it’s tactile and it has character. I…

Use the search function :slight_smile: If OperTherm is supported/used then there is this: [image] OT Thing - An OpenTherm-WiFi Gateway with integrated OT master & slave Share your Projects! I built my own OpenTherm gateway with a compact singleboard design: [grafik-1-1…

I (think) I have an OpenTherm heating system and I would like to make it smart without replacing the existing room unit

Hardware

wrongisthenwright October 28, 2025, 8:40pm 2

Use the search function

If OperTherm is supported/used then there is this:

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