The FS7-4ELJ Flow Switch is a reliable 1-1/4 inch flow switch designed by McDonnell Miller, ideal for monitoring fluid flow in various applications. This switch features a durable construction that ensures longevity and performance. It operates effectively within a wide range of temperatures and pressures, making it suitable for both residential and industrial systems. The switch is compliant with industry standards, ensuring safety and reliability. Its compact design allows for easy installation in tight spaces, and it is compatible with various piping systems. The FS7-4ELJ is an essential component for maintaining optimal flow conditions.