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Buderus GB112-24

konsu77 Member Posts: 2
Dear all,
I have an old Buderus GB112-24. I discovered today that there are various UBA versions running around so i need to check the exact version.
It is controlled by an old thermostat buderus 7000125.
My aim is to be able to modernize the controls of the buderus and switch to something like Tado smart thermostat and Tado smart TRVs.
The Buderus is neither opentherm nor EMS compliant so the only way to control it via Relay ON/OFF.
Are there disadvantages of using Relay vs the current iRT protocol ?
Has anyone a working configuration of Tado with Buderus GB112 logamax plus , perhaps also controlling Hot Water temperature ?