McDonnell & Miller FS-1 Inline Flow Switch for Liquids
The MCDONNELL & MILLER FS-1 is an inline flow switch for liquids designed for a 1/2 in pipe size with 1/2 in NPT connections. It features a SPDT switch with a contact rating of 22.2 A at 240V (locked rotor). This…
SKU 3G-OTH-88471
Also listed as: FS1 · FS 1
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Product Description
The MCDONNELL & MILLER FS-1 is an inline flow switch for liquids designed for a 1/2 in pipe size with 1/2 in NPT connections. It features a SPDT switch with a contact rating of 22.2 A at 240V (locked rotor). This switch provides flow detection for liquid systems.
Frequently Asked Questions
What is the McDonnell & Miller FS-1 flow switch used for?
The McDonnell & Miller FS-1 is an inline flow switch for liquids that detects flow in 1/2 in pipe systems. It is commonly used in HVAC, boiler, and industrial liquid circuits to signal flow or no-flow conditions, protecting equipment from damage due to insufficient flow.
What are the specifications of the McDonnell & Miller FS-1?
The FS-1 has a 1/2 in NPT connection, SPDT switch type, and a contact rating of 22.2 A at 240V (locked rotor). It is designed for 1/2 in pipe size and is manufactured by McDonnell & Miller. These specs ensure reliable flow detection in liquid systems.
Where to buy the McDonnell & Miller FS-1 worldwide?
3G Electric supplies the McDonnell & Miller FS-1 flow switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this part.
How to install the McDonnell & Miller FS-1 flow switch?
Install the FS-1 in a horizontal pipe section with flow direction matching the arrow on the body. Use thread sealant on the 1/2 in NPT connections and ensure the SPDT wiring matches your control circuit. Always follow local electrical codes and the manufacturer's guidelines.
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3G Electric supplies McDonnell & Miller inline switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.