You should engage with my posts more seriously.
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Here is where I explain why the W100 is unable to work as a thermostat because you omitted a single automation trigger! : Aqara W100 Thermostat
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Here is where I discover that the Tado X wireless thermostat can be used to build a central heating system better than the W100 : Aqara & Tado X Matter - #10 by nzjrs
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Here is where I suggest that Aqara radiator thermostats should expose percentage open control because this is useful in heating under-insulated homes or situations like heated towel rails : E1 Smart Thermostat Limitations
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Here are two threads where we suggest how to build an aqara-only central heating controller (poorly, but it does still work). Gas central automation - #4 by nzjrs and Heater controller
@gafich10 and I have much to say about the limitations of Aqara for central heating control, and with a few small changes how it could be BETTER than hive. But until then I have to keep repeating myself in these threads above.