Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
McDonnell & Miller FS4-15SS Replacement Paddle Kit - Replacement Paddle Kits
McDonnell & MillerReplacement Paddle Kits

McDonnell & Miller FS4-15SS Replacement Paddle Kit

The MCDONNELL & MILLER Paddle Kit (MPN FS4-15SS) is a replacement paddle kit containing one each of 1 in, 2 in, 3 in, and 6 in paddles. This 4-piece kit is compatible with manufacturer model number FS254.

SKU 3G-OTH-91731

Also listed as: FS415SS · FS4 15SS

Brand
McDonnell & Miller
Item
FS4-15SS Replacement Paddle Kit
Part Number
FS4-15SS
Category
Replacement Paddle Kits
Available to Order
Also known as:FS4-15SSMcDonnell & Miller
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

McDonnell & Miller
Manufacturer Part Number
FS4-15SS
Type
(1) Each of 1 in, 2 in, 3 in, and 6 in Paddles, 4 PK
Includes
(1) Each of 1 in, 2 in, 3 in, and 6 in Paddles
Compatible with Manufacturer Model Number
FS254

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MCDONNELL & MILLER Paddle Kit (MPN FS4-15SS) is a replacement paddle kit containing one each of 1 in, 2 in, 3 in, and 6 in paddles. This 4-piece kit is compatible with manufacturer model number FS254.

Frequently Asked Questions

What is the MCDONNELL & MILLER FS4-15SS paddle kit used for?

The MCDONNELL & MILLER FS4-15SS paddle kit is a replacement set of flow-sensing paddles for industrial flow switches, such as the FS254 model. It is used in HVAC, boiler, and process piping systems to detect liquid flow and trigger safety or control actions.

What are the specifications of the MCDONNELL & MILLER FS4-15SS paddle kit?

The FS4-15SS kit includes one each of 1 in, 2 in, 3 in, and 6 in paddles, totaling four pieces. It is compatible with manufacturer model number FS254 and part number FS254. The brand is MCDONNELL & MILLER, and the manufacturer part number is FS4-15SS.

Where to buy the MCDONNELL & MILLER FS4-15SS paddle kit worldwide?

You can source the MCDONNELL & MILLER FS4-15SS paddle kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the kit reaches your facility reliably.

How to select the correct paddle kit for a McDonnell & Miller flow switch?

To select the correct paddle kit, verify your flow switch model number. The FS4-15SS kit is designed for the FS254 model and includes 1 in, 2 in, 3 in, and 6 in paddles. Always match the paddle length to your pipe diameter for accurate flow sensing.

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
Not sure this is the right part? Photo-identify it

McDonnell & Miller Products

3G Electric supplies McDonnell & Miller replacement paddle kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Dayton
Dayton
Adjustable roller assembly kit for stackers. Used to replace worn or damaged rollers on manual or powered stackers. Compatible with select stacker models
This steering handle kit is a steel replacement part for machine rollers. It provides a red handle for maneuvering equipment in material handling applications. Compatible with Dayton machine roller models 2MPR1, 2MPR2, and 2MPR3
Dayton
This steering handle kit is a steel replacement part for machine rollers. It provides a red handle for maneuvering equipment in material handling applications. Compatible with Dayton machine roller models 2MPR1, 2MPR2, and 2MPR3
This roller kit is a replacement part for machine rollers used in material handling and conveyor systems. It is constructed of black nylon to support and guide loads with low friction. Compatible with Dayton machine roller assemblies
Dayton
This roller kit is a replacement part for machine rollers used in material handling and conveyor systems. It is constructed of black nylon to support and guide loads with low friction. Compatible with Dayton machine roller assemblies

More from McDonnell & Miller

View all McDonnell & Miller parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first