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 and serves as a standard well pump replacement switch. Compatible with various electric well pumps including jet, submersible, and reciprocating pumps. HIGH-QUALITY MATERIAL: Constructed from durable plastic and metal materials, offering strength and long-lasting performance. EASY TO USE: Designed for stable operation, motor protection, and energy efficiency. Suitable for long-term use with self-priming pumps, water pumps, garden pumps, and hot and cold water automatic pumps. MATERIAL: Plastic + Metal COLOR: Grey PACKAGE CONTENTS: 2 x Water Well Pressure Switch Note: Light reflection and different displays may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3 cm.