ADJUSTABLE PRESSURE FUNCTION: This water pump pressure control switch provides precise pressure control with a pressure setting range of 40-60 psi. It activates the electric water pump in the power circuit when preset pressure thresholds are reached. WIDELY USED: Features a 1/4 inch female NPT connection. This standard well pump replacement switch is designed for use with various electric well pumps, including jet, submersible, and reciprocating pumps. HIGH-QUALITY MATERIAL: Constructed from durable plastic and metal materials for strength and long-lasting performance. EASY TO USE: The water pressure control switch offers stable operation, motor protection, and energy efficiency. Suitable for long-term use with most pumps, including self-priming, water, and garden pumps, as well as hot and cold water automatic pump systems. MATERIAL: Plastic + Metal COLOR: Grey PACKAGE CONTENTS: 2 x Water Well Pressure Switch Note: Other items are not included. Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.