Isiliiniryhmään
Isiliiniryhmään is a Finnish term that translates to "heating group" or "heating circuit" in English. It refers to a specific system or component within a building's heating infrastructure responsible for circulating heated water or other heat transfer fluid to radiators or other heat emitters. Essentially, it is a loop through which the heat is distributed.
A typical isiliiniryhmään includes a pump to move the fluid, control valves to regulate flow and temperature,