A pressure switch is used to monitor changes in system pressure and turn on and off a water pump. A pressure switch detects when a predetermined pressure point is reached and opens or shuts an electrical switching element.
A vacuum switch is a mechanical or electronic device that, when subjected to a certain amount of vacuum gas pressure, offers an electrical switching contact function that may be activated. It is used in a variety of vacuum applications for the regulation of pressure and the provision of safety interlock. It is possible to use … Read more