Maybe a little theory will help you understand the principle of operation of this system https://www.pec.gliwice.pl/jak-dziala-glowica-termostatic
The first link from the shore, in case of doubt, please keep digging in the depths of the internet, because I don't see any irregularities.
The first link from the shore, in case of doubt, please keep digging in the depths of the internet, because I don't see any irregularities.