The Paddle Wheel Flow Switch is serviceable whenever visual flow signal (without flow measurement) is mandatory. The structure of these products is so simple and functional. These are featured with paddle wheel, which is fixed into motion via the flowing media. The clearly noticeable, rotating paddle wheel delivers visual hint of flow. Flow ranges are diverse by varying the inlet port orifice, enabling utilization of the same size frame for all flow varieties. The switches can be installed in all places, as long as the flow relics in the direction of the arrow. These Paddle Wheel Flow Switches can be ranged for optimal visibility.