I need help figuring out how to attach my smart heating system to these old school swiss thermostats. Does anybode know how this thermostat type is called? I have a Bosch smart thermostat system and can't figure out how to use it here. There are some attachments for the thermostat, and one of it fits but it becomes loose after some time. Also the gap between the pen and the thermostat seems to be too big.
Am I screwed and this is not possible? Would be happy if someone can give me some good hints on how to set this up!

by jungerleander

1 comment
  1. According to bosch-smarthome.com:

    >The smart thermostats fit almost all radiators: Either directly with M30 x 1.5 mm screw threads or with the help of the adapters supplied (Danfoss RA, Danfoss RAVL).

    You don’t have the M30 threads, you would need the Danfoss RA adapter.

    To check the distance between the thermostat and the pen: when it’s set to heat full throttle, is it able to push the pen in?

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