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    Toronto Surplus & Scientific Inc.

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    Phone: 905.853.0078
    Toll Free: 866.376.0078
    Fax: 905.853.1094

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    McDonnell & Miller Fs4-3 / FS43 Flow Switch / BNIB / NOS

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    McDonnell & Miller Fs4-3 / FS43 Flow Switch / BNIB / NOS

    Part Number: sku10181
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    Quantity in Stock: 1

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    Product Description


    • 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
    • Four stainless steel paddles included -1″, 2″, 3″ & 6″ (25, 50, 80, & 150mm)
    • Optional features
      • Two SPDT switches to make or break two separate
      • circuits
      • Materials of construction suitable for corrosive liquids
      • BSPT threads
    • Minimum temperature (fluid or ambient) 32°F (0°C)
    • Maximum temperature 300°F (149°C)
    • Maximum pressure 160 psi (11.3 kg/cm2)

    BNIB / NOS



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