McDonnell & Miller FS6-3/4 Inline Flow Switch for Liquids
The MCDONNELL & MILLER Flow Switch, model FS6-3/4, is an inline switch for liquids designed for 3/4 in pipe size with a 3/4 in NPT connection. It features a SPDT contact configuration and an AC contact rating of 7.4…
SKU 3G-OTH-88487
Also listed as: FS634 · FS6 3 4 · FS6-3-4
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MCDONNELL & MILLER Flow Switch, model FS6-3/4, is an inline switch for liquids designed for 3/4 in pipe size with a 3/4 in NPT connection. It features a SPDT contact configuration and an AC contact rating of 7.4 A at 120V full load.
Frequently Asked Questions
What is the McDonnell & Miller FS6-3/4 flow switch used for?
The McDonnell & Miller FS6-3/4 is an inline flow switch for liquids that detects flow or no-flow conditions in 3/4 in pipe systems. It is commonly used in HVAC, boiler, and industrial process applications to interlock pumps, alarms, or burners when flow is lost.
What are the specifications of the McDonnell & Miller FS6-3/4 flow switch?
The FS6-3/4 has a 3/4 in NPT connection, SPDT contact configuration, and an AC contact rating of 7.4 A at 120 V full load. It is designed for 3/4 in pipe size and is manufactured by McDonnell & Miller under part number FS6-3/4.
Where to buy the McDonnell & Miller FS6-3/4 flow switch worldwide?
3G Electric supplies the McDonnell & Miller FS6-3/4 flow switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this model.
How to install the McDonnell & Miller FS6-3/4 flow switch?
Install the FS6-3/4 in a horizontal pipe run with the flow arrow aligned to flow direction. Use thread sealant on the 3/4 in NPT connection and wire the SPDT contacts per your control circuit. Always follow local codes and the manufacturer's manual for safe operation.
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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.