Regulators are used to control the operation of hot air gas units or one and two-stage gas infrared radiators. It allows setting the desired temperature in the room in NORMAL mode and in DAMP mode. Modes can be selected manually or a program can be entered into the built-in weekly clock with a total of 20 time steps. With the help of a switch, the heating can be switched off permanently, switched on permanently or switched on as needed by the regulator.