General description This 1/4NPT Internal Thread Water Pressure Switch is an adjustable double spring rod designed for effective pressure control in all types of electric well pumps, including jet, submersible, and reciprocating pumps. Made from high-quality plastic, it offers high strength and durability, ensuring reliable performance. Technical specifications Thread type: 1/4NPT Pressure range: 40-60 Psi Voltage: 110V-230V Material: Plastic Color: Grey Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with all types of electric well pumps Package includes: 1 x pressure switch for well pump, 1 x sealing tape Installation Easy installation with standard fittings Usage Adjustable pressure threshold for customized operation Two springs for convenient and accurate adjustment