Hello, I have Vitodens 200 with external bivalent hot water tank. Primary source of energy is PVE. I want to maintain temperature of water heated by gas as low as possible (40 °C). I recognised, that hysteresis (temperature when the boiler starts heating of water) is 4 °C below that (36 °C) which is quite cold for shower. I would like to decrease this to about 2 deg but i only found upper limit in boiler parameters. Is there any way to solve it? Thank you
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