GEMS SENSORS Liquid Flow Switch: Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT
The GEMS SENSORS Liquid Flow Switch: Brass (MPN RFS, 156265) is a flow sight with remote output featuring a 1/4 in FNPT connection, SPDT switch type, and normally open switch position. It is UL Listed, with Viton…
SKU 3G-OTH-90728
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Product Description
The GEMS SENSORS Liquid Flow Switch: Brass (MPN RFS, 156265) is a flow sight with remote output featuring a 1/4 in FNPT connection, SPDT switch type, and normally open switch position. It is UL Listed, with Viton wetted material, and operates within a temperature range of -20°F to 212°F.
Frequently Asked Questions
What is the GEMS SENSORS RFS 156265 liquid flow switch used for?
The GEMS SENSORS RFS 156265 liquid flow switch is used to detect flow or no-flow conditions in industrial piping systems. It provides a remote electrical output via its SPDT switch, making it suitable for process control, pump protection, and monitoring applications in water treatment, HVAC, and chemical processing.
What are the specifications of the GEMS SENSORS RFS 156265 flow switch?
The GEMS SENSORS RFS 156265 is a brass liquid flow switch with a 1/4 in FNPT connection. It features an SPDT switch type, normally open position, and Viton wetted material. It is UL Listed and operates from -20°F to 212°F. The manufacturer part number is RFS, 156265.
Where to buy the GEMS SENSORS RFS 156265 flow switch worldwide?
You can source the GEMS SENSORS RFS 156265 flow switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine GEMS SENSORS components for international procurement.
How to install the GEMS SENSORS RFS 156265 liquid flow switch?
Install the GEMS SENSORS RFS 156265 flow switch in a horizontal pipe section with the flow arrow aligned to flow direction. Use thread sealant on the 1/4 in FNPT connection and ensure the Viton wetted material is compatible with your fluid. Wire the SPDT switch per your control circuit; consult the manufacturer's manual for torque and electrical ratings.
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3G Electric supplies GEMS SENSORS flow sights with remote output. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













