We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MCDONNELL & MILLER Flow Switch: 1 in For Pipe Size, 1 in NPT, 1 in Connection Size - Inline Switches for Liquids
McDonnell & MillerInline Switches for Liquids

MCDONNELL & MILLER Flow Switch: 1 in For Pipe Size, 1 in NPT, 1 in Connection Size

The MCDONNELL & MILLER FS6-W-1 is a 1 in inline flow switch for liquids, featuring a 1 in NPT connection and SPDT switching. It has a locked-rotor contact rating of 22.2 A at 240V AC.

SKU 3G-OTH-88564

Also listed as: FS6W1 · FS6 W 1

Brand
McDonnell & Miller
Item
Flow Switch: 1 in For Pipe Size, 1 in NPT, 1 in Connection Size
Category
Inline Switches for Liquids
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

McDonnell & Miller
Manufacturer Part Number
FS6-W-1
Type
NPT, SPDT
NPT
1 in
For Pipe Size
1 in
Connection Size
1 in
Contact Rating (AC)
22.2 A @ 240V (Locked Rotor)

Technical Documents

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McDonnell & Miller Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MCDONNELL & MILLER FS6-W-1 is a 1 in inline flow switch for liquids, featuring a 1 in NPT connection and SPDT switching. It has a locked-rotor contact rating of 22.2 A at 240V AC.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MCDONNELL & MILLER FS6-W-1 flow switch used for?

The MCDONNELL & MILLER FS6-W-1 is an inline flow switch for liquids, used to detect flow or no-flow conditions in piping systems. Common applications include HVAC, boiler protection, and industrial process control where a 1 in pipe size and SPDT switching are required.

What are the specifications of the MCDONNELL & MILLER FS6-W-1?

The FS6-W-1 is a 1 in inline flow switch for liquids with a 1 in NPT connection and SPDT contacts. Its locked-rotor contact rating is 22.2 A at 240V AC. The manufacturer part number is FS6-W-1, and it is designed for 1 in pipe size systems.

Where to buy the MCDONNELL & MILLER FS6-W-1 worldwide?

3G Electric supplies the MCDONNELL & MILLER FS6-W-1 flow switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the MCDONNELL & MILLER FS6-W-1 flow switch?

Install the FS6-W-1 in a horizontal pipe section with the flow arrow aligned to flow direction. Use thread sealant on the 1 in NPT connection and ensure electrical wiring matches the SPDT contact rating of 22.2 A at 240V AC. Consult the manufacturer's manual for torque and clearance requirements.

Used in

Common applications for McDonnell & Miller
Steam boiler low-water cutoff — McDonnell & Miller inline flow switches (e.g., FS-1) for automatic burner shutdown
Cooling water flow monitoring — McDonnell & Miller insertion-style switches (e.g., FS4-3D) in large-diameter pipes
Hazardous-area process lines — McDonnell & Miller FS7-4E with NEMA 7/9 enclosure for Class I, Div 1 locations
HVAC chilled water systems — McDonnell & Miller FS6-1 inline switch for pump flow verification
Industrial wastewater treatment — McDonnell & Miller FS4-3S stainless steel switch for corrosive fluid flow detection
Boiler feedwater control — McDonnell & Miller FS8-WJ with BSP connections for international installations

McDonnell & Miller Products

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.

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