Product Description
McDonnell & Miller FS4-3 Flow Switch Product Description
Part Number 114400
The McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch is a reliable and versatile solution designed for controlling liquid flow in a wide range of applications. Featuring a 1" NPT connection, this flow switch is ideal for use with pumps, alarms, burners, and other equipment requiring precise flow detection.
Crafted with durability in mind, the FS4-3 is built to handle water, glycols, and other non-corrosive liquids in HVAC, industrial, and commercial systems. Its adjustable sensitivity ensures accurate performance, with a flow range of 0.12 to 8 GPM, making it adaptable to various flow rates. The switch is equipped with a robust stainless steel paddle and a sealed design to withstand demanding environments, ensuring long-lasting operation.
Key features include:
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Universal design for horizontal or vertical pipe installations
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SPDT switch for flexible control options
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Maximum operating pressure of 160 PSI and temperature of 250°F
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NEMA 1 enclosure for indoor use
Whether you're managing water circulation systems, protecting equipment from low-flow conditions, or activating alarms, the McDonnell & Miller FS4-3 Flow Registrar Switch delivers dependable performance and easy installation for your liquid flow control needs.
