The FS7-4SEJ Flow Switch is engineered for precise flow detection in fluid systems, featuring a 1-1/4 BST connection. This model is suitable for a variety of applications, including HVAC and industrial processes. Its robust design ensures durability and reliability, even in challenging environments. The switch is easy to install and maintain, making it a preferred choice for professionals. With its high-quality construction, the FS7-4SEJ meets industry standards for performance and safety, ensuring optimal operation in your system.