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3/4" Flow Switches for Threaded Plastic Piping

3/4" Plastic Flow Switch 0.25 GPM Switch Point


Item# FS-100-025

In stock

Lead Time (If not in stock): 4 weeks
3/4" Plastic Flow Switch 0.25 GPM Switch Point FS-100-025 FS-100-025
  • Flow Switch Setpoints: 0.25 GPM to 5.0 GPM
  • Port Size: 3/4' NPT
  • Non-Adjustable Setpoint
  • Primary Construction Material: Polypropylene

FS-100-025 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Media Type
Max Operating Pressure
Max Process Temperature
Process Connection Type
Process Connection Size
Wetted Materials
Switch Rating and Type
Wire Length

The FS-100 Series Flow Switches offer low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts of the FS-100 Series are polypropylene making this switch ideal for a wide range of chemical and temperature requirements. The FS-100 is ideal for equipment cooling including welders and lasers, protecting bearings or gears, fuel systems, pumps, compressors, heat exchangers, and oil separators.

The FS-100 Series has a 3/4" NPT process connection and flow settings ranging from 0.25 to 5.0 gpm. The simple and reliable design is suitable for operating temperatures from 14 to 176°F and line pressures up to 120 psig. The FS-100 Series utilizes a SPST switch.

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Rated 5 out of 5 by from /4" Plastic Flow Switch 1.0 GPM Switch Point Nice compact and economical flow switch. Highly recommended.
Date published: 2022-12-08
  • y_2023, m_5, d_30, h_22
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Are these NO at No Flow?

Asked by: CReeves
Thank you for your inquiry about the flow switch. Yes, it is Normally Open at no flow conditions.
Answered by: Application Engineer JC
Date published: 2023-01-18
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