The FS8-W Flow Switch from McDonnell Miller is a reliable device designed for monitoring fluid flow in systems with a 1-inch NPT connection. This flow switch is ideal for HVAC and industrial applications, providing accurate flow detection and control. Constructed from durable materials, it ensures long-lasting performance even in challenging environments. The FS8-W is designed to activate at specific flow rates, making it essential for maintaining system efficiency and safety. Its compact design allows for easy installation in various setups.