The FS7-4W Flow Switch is a 1-1/4 inch NPT flow switch from McDonnell Miller, designed for precise flow monitoring in various applications. This switch features a durable construction that ensures long-lasting performance and reliability. It operates effectively under a wide range of pressures and temperatures, making it suitable for both residential and industrial systems. The FS7-4W complies with industry standards, ensuring safety and reliability in operation. Its compact design allows for easy installation in tight spaces, and it is compatible with various piping configurations, making it an essential tool for effective flow management.