172830 | Flow Switch FS4-3J Single Pole Double Throw 1 Inch BSPT | Mcdonnell Miller

The McDonnell Miller FS4-3J Flow Switch is a single pole double throw flow switch ideal for use with liquids. It features a 1 Inch BSPT connection and is designed for use with a variety of applications including HVAC, refrigeration, and industrial machinery. The FS4-3J is constructed of durable materials and is designed to provide long-lasting performance. The McDonnell Miller FS4-3J Flow Switch is a versatile and reliable choice for a variety of flow control applications. Its compact design and easy installation make it a great choice for both new and existing systems. Shop Midwest Supply for the best prices and fast shipping on the FS4-3J Flow Switch and all your other industrial supply needs!

Flow Switch FS4-3J Single Pole Double Throw 1 Inch BSPT