Discover the efficiency and reliability of the Potter VSR-3 Waterflow Alarm Switch, designed for a 3" nominal pipe size. This product, proudly assembled in the USA by Potter Electric Signal, LLC, features a field-replaceable time delay retard adjustable from 0-90 seconds. Its user-friendly design includes an easy-to-read adjustment knob for setting the retard time precisely. Additionally, it boasts two SPDT (form C) contacts and a weatherproof build, ensuring durability in various conditions. The clear wire terminal designations further simplify installation and maintenance. Upgrade your system's safety and functionality today!