The centralized heating system does not have a particularly flexible operation. Often one can observe a situation where people in the middle of winter are forced to open windows so that the temperature in the room becomes more or less acceptable. The purpose of this article to consider advantage of use of automatic regulators, to disclose their principle of action and influence on hydraulic stability of a heating system.

Keywords: thermostatic valve, hydraulic stability, thermostat, room microclimate, hydraulic resistance, circulation rings, coordination of the heating system, radiator, room temperature, balancing