OpenTherm Min Flow Temperature
My boiler is set to OpenTherm mode, with Tado V3+, and the maximum temperature is set to 55°C. Tado adjusts the heating temperature based on the outside weather, which works fine. However, I have a question about the minimum temperature: I’ve noticed that the boiler pump runs frequently, circulating water at 20–25°C. While this might be fine for underfloor heating, it seems inefficient for normal radiators.
Is it possible to set a minimum temperature, such as 30°C, so the boiler starts heating only when needed, reducing the pump’s runtime during the day, protect it and also consume less energy ? Currently, my heating activity report shows between 21 and 24 hours of operation daily (pump working time I presume).
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