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by looofooo0 417 days ago
Actually the best control system for such a boiler would be to control the heating curve where heating water temperature is fixed to the outside temperature. If you aim for the lowest water temperatures possible, then the system will become quite slow reacting. Then you only need to adjust the flow of water to the individual rooms to fix varying temperature issue. But this is long term manual optimization process which takes 1 to 2 years to perfect.