141-0522 | Siemens | Thermostats & Controllers

As a high event temperature control, the contacts that open on a rise in temperature are used. As a low event temperature control for use on unit heaters, the contacts that open on a decrease in temperature are used. It can also be used as a convector or fan coil changeover control to automatically select either the heating or cooling function of wall type SPDT heating and cooling thermostats