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Honeywell BMS NA

Series FS4-3 General Purpose Liquid Flow Switch

Series FS4-3 General Purpose Liquid Flow Switches are used for starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices, and others.

Series FS4-3 General Purpose Liquid Flow Switches are used for starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices, and others. Their universal design serves the widest variety of applications. The Series FS4-3 are a suitable replacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel, and other manufacturers.

Features & Benefits:
  • Universal design serves the widest variety of applications
  • For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others
  • Replacement for common flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel and other manufacturers
  • 1" NPT
  • Two electrical knock-outs allows connection from either end
  • Sensitivity adjusting screw makes flow adjustment easy
  • Single-pole, double-throw snap switch
  • Hardened stainless steel bearings minimize friction
  • Sealed Monel bellows
  • Optional features:– Two SPDT switches to make or break two separate circuits– Materials of construction suitable for corrosive liquids– BSPT threads
Certifications:
  • UL
  • CSA
  • CE (for certain models)
Image
SKU
Description
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FS4-3/U
Flow Switch, 1 NPT, 114400