Square D Pumptrol™ Water Pump Pressure Switches 30-50 Psi

Designed for the control of electrically driven water pumps. Diaphragm actuated.
Type FSG is the standard water pump switch, suitable for all types of pumps: jets, submersible, reciprocating, etc.
Type FYG is designed to meet higher horsepower and pressure requirements.
Type FRG is reverse acting: contacts open on falling pressure.