The Differential Pressure Switch is a new type flow switch, when the water flow (differential pressure) in system rises up or falls down to one set value, it will output a warning or sent switch-off signal to automatic control system. And it could also be used to indicate the status of pump or water filter.-------____
GE-512 Series is Differential Pressure Switch with Fixed Pressure Setpoint, the setpoint could not be changed. So if the user choose one type of GE-512, the user could not change the flow setpoint, then it will avoid the mistake in Installing.
Differential Pressure Flow Switch with Fixed set point