American Granby 30/50 PSI Pressure Switch The American Granby 30/50 PSI Pressure Switch is designed to automatically control electrically driven water pumps in residential water well and pressure boosting systems. Factory-set to activate the pump at 30 PSI and shut it off at 50 PSI, this switch helps maintain consistent water pressure throughout the system. It is suitable for use with jet pumps, submersible well pumps, reciprocating pumps, and other water pressure applications. Built for dependable operation, it features durable contacts and a rugged design for long service life. Features Factory pressure setting: 30 PSI cut-in / 50 PSI cut-out Controls electrically driven water pumps Suitable for jet, submersible, and reciprocating pumps Designed for residential water systems Durable contact design for reliable switching Standard replacement pressure switch for well water applications 1/4" pressure connection (varies by model) Quick Specs Pressure Setting: 30/50 PSI Application: Residential water systems Pump Types: Jet Pumps, Submersible Pumps, Reciprocating Pumps Operation: Automatic pressure control Brand: American Granby