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McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch
Used for starting or stopping electrically operated equipment. Sealed Monel Bellow. Four stainless steel paddles included: 1, 2, 3 & 6.
McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch
Item #: 402234

McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch

Item #: 402234

ZAR 4909

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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us Imported from USA store

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Order now and get it around Tuesday, August 11
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Used for starting or stopping electrically operated equipment. Sealed Monel Bellow. Four stainless steel paddles included: 1, 2, 3 & 6.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Reliable Performance
Ensures consistent operation by accurately detecting liquid flow rates, preventing potential system failures and maintaining efficient process control across various applications.
Versatile Compatibility
Designed to work seamlessly with multiple liquids, making it suitable for diverse industrial applications while reducing the need for various switches.
Durable Construction
Built with high-quality materials that withstand tough environments, providing long-lasting durability and reducing maintenance costs over time.

Product Details

Mcdonnell&Miller Get the McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch at Ubuy South Africa. Perfect for electrically operated equipment. Shop now!
  • Used for starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, and metering devices
  • 1 NPT connection
  • Minimum/maximum temperature: 32 degrees F/300 degrees F
  • Sensitivity adjusting screw for easy flow adjustment
  • Includes four stainless steel paddles: 1, 2, 3 & 6 (25, 50, 80, & 150mm)
  • Prohibited from shipping to California
Package Weight2.16 Pound

Who Should Buy?

Suitable For
  • HVAC Systems

    Ideal for HVAC professionals needing reliable flow detection to optimize system performance and prevent equipment damage.

  • Industrial Applications

    Well-suited for various industrial processes where liquid flow monitoring is crucial for operational efficiency and safety.

  • Water Treatment

    Effective for water treatment facilities requiring precise flow measurement to ensure proper chemical dosing and system integrity.

Not Suitable For
  • High Viscosity Fluids

    Not suitable for fluids with high viscosity that could impede the functionality of the flow switch.

  • Non-Liquid Media

    Ineffective for applications involving gases or solids, as it is specifically designed for liquid flow measurement.

  • Low Flow Scenarios

    May not respond adequately in applications with very low flow rates, limiting its effectiveness in certain contexts.

Product Description

McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch

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Customer Questions & Answers

  • Question: How to Shop McDonnell & Miller FS4-3 General Purpose Liquid Flow Online From Ubuy?

    Answer: It’s easy to shop McDonnell & Miller FS4-3 General Purpose Liquid Flow online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
  • Question: Is McDonnell & Miller FS4-3 General Purpose Liquid Flow Available to Shop Online in South Africa?

    Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The McDonnell & Miller FS4-3 General Purpose Liquid Flow is not available locally but you can trust us with our express shipping services.
  • Question: How Long Does It Take to Get Product After Placing the Order?

    Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Mcdonnell&Miller Flow Switches Editorial Review

The 3/4" Water Flow Switch is an essential component that has become popular among commercial water heaters and boilers. The switch is quite sensitive, so it should be installed at a distance of 1/2" to 1" from the bottom of the water flow. When installed correctly, it works great and saves time. The product is highly efficient, with a 120VAC switch rating of 7.4 Full Load Amps and 240VAC is 3.7 Full Load Amp. The pricing is competitive, and the switch has a long lifespan of 5-7 years, especially in areas with very hard water.

Customer Reviews & Ratings

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Pros

  • Highly efficient
  • Good value for money
  • Easy to install
  • Works great when installed correctly

Cons

  • Sensitive, and can trip if not installed at the correct distance from the bottom of the water flow.

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.