The FS4-3RP-T Flow Switch from McDonnell Miller is designed for precise flow detection in piping systems. This unit features a 1" NPT connection, making it compatible with standard plumbing installations. Constructed from durable materials, the FS4-3RP-T is built to withstand high pressures and temperatures, ensuring reliable operation in demanding environments. It is ideal for use in HVAC systems, water treatment facilities, and industrial applications. The flow switch meets ANSI standards, providing peace of mind regarding safety and performance.