Description 

The American VFS-45 Vane-Type Water Flow Switch is a UL-listed and FM-approved high-performance device designed for wet pipe systems. Featuring a precision vane mechanism, it accurately detects water flow and activates a switched output after a preset delay. Engineered for reliability in critical applications, the VFS-45 enhances system safety and operational efficiency with an operating pressure of 450 PSI and size options ranging from 2″ to 8″.