To set the thermostat to a given temperature, so that you avoid burning yourself in 80° hot water, and at the same time you save on hot water.
Stainless steel heater - 1 1/4? thread. Lgd. 300 mm In other words, you can set the thermostat to a given temperature, so that you avoid burning yourself in 80° hot water, at the same time you save on hot water.