Thanks for the response. I assume this product is probably updated and that
part number is no longer sold. Either that, or the maintenance department
just has really old datasheets! I've ordered a few known M30s and will
update when they arrive.
The goal is actually fairly simple in theory: I'm trying to achieve control
over the valves remotely, but without using proprietary off-the-shelf
The ideal scenario would be to replace the valve with a device that fits
the exact thread and that is controlled by perhaps an Arduino or a
Raspberry Pi which can adjust the flow and consequently, the room
I have some experience in programming microcontrollers and messing with
electronics, so that part isn't a problem. The problem is finding the right
hardware that can replace an ordinary TRV with something that's hackable to
allow an Arduino to communicate, or even Bluetooth/radio valves that have
some way of communicating without interacting with a cloud backend.
I was hoping an openTRV is the solution to this, unless there are different
ways to achieve the same?