Mcdonnell & Miller
0 ratings
General Purpose Flow Switch, NEMA1
genuine image
General Purpose Flow Switch, NEMA1
Universal design serves the widest variety of applications for starting or stopping electrically operated equipment
General Purpose Flow Switch, NEMA1
Item #: 19297066

General Purpose Flow Switch, NEMA1

Item #: 19297066

ANG 475

Price Details

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

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Wednesday, August 05
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Universal design serves the widest variety of applications for starting or stopping electrically operated equipment
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment

What Stands Out

Versatile Application
This flow switch is designed for a variety of fluids, making it ideal for multiple industrial settings, from water systems to chemical processing.
NEMA 1 Enclosure
The NEMA 1 enclosure ensures protection from dust and dirt, suitable for indoor use while maintaining a compact and user-friendly design.
Reliable Monitoring
Equipped with precise sensing technology, this flow switch provides accurate flow monitoring, improving system efficiency and preventing downtime.

Product Details

Find the best deals on a universal General Purpose Flow Switch at Ubuy Sint Maarten. Suitable for a wide range of applications for controlling electrically operated equipment. Shop now!
  • Universal design suitable for various applications for starting or stopping electrically operated equipment
  • Compatible replacement for flow switches from Johnson/Penn, Potter/Taco, Watts, Hydrolevel, and other manufacturers
  • Features 1 NPTM Pipe Connection and sensitivity adjusting screw for easy flow adjustment
  • Equipped with single pole, double throw snap switch and EPDM O-ring seal for effective operation
  • Includes four stainless steel paddles and has a temperature range of 32 Deg. F (0 Deg. C) to 250 Deg F (121 Deg. C) and a maximum pressure of 160 psi (11.2 kilogram/cm2)
Exterior FinishStainless Steel
Inlet Connection TypeNational Pipe Tapered
Outlet Connection TypeNPT
Maximum Pressure160 Pound per Square Inch (406.4 cm)
Number of Ports2
Connector Typescrew
Valve Typeflow switch
Inlet Connection Size1 Inches (2.5 cm)
Material Typecarbon
Brand NameMcdonnell & Miller
Model NumberFS251
Unit Count1 Count
ManufacturerITT McDonnell Miller
Manufacturer Part NumberFS251
Specification Metnema1
Materialcarbon
BrandMcdonnell & Miller
Maximum Operating Pressure160 Pound per Square Inch (406.4 cm)
Item Weight3 lbs (1.36 kg)

Who Should Buy?

Suitable For
  • Home HVAC Systems

    Ideal for homeowners managing heating and cooling systems efficiently to monitor fluid flow effectively.

  • Industrial Applications

    Suitable for industries requiring consistent monitoring of liquid movement in manufacturing processes.

  • Water Treatment Facilities

    Beneficial in maintaining optimal flow rates in various water management applications to ensure proper treatment.

Not Suitable For
  • High-Pressure Environments

    Not suitable for applications involving high-pressure settings where standard flow switches may fail.

Product Description

General Purpose Flow Switch, NEMA1

About This Item

Introducing our General Purpose Flow Switch, NEMA1 - the perfect solution for controlling and monitoring the flow of various fluids and gases in a wide range of applications. Designed with versatility in mind, this flow switch is capable of starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices, and more. Whether you need to regulate the flow of air, water, liquid, gas, or oil, this universal flow switch is here to meet your needs. Featuring a single pole, double throw snap switch, this flow switch ensures reliable and accurate operation.

The EPDM O-ring seal guarantees a tight and secure fit, making it suitable for both indoor and outdoor environments. With an operating temperature range of 32 Deg. F (0 Deg.

C) to 250 Deg. F (121 Deg. C), this flow switch can handle demanding conditions without compromising performance.

Its maximum pressure rating of 160 psi (11.2 kilogram/cm2) further enhances its durability and reliability. Not only does this flow switch offer exceptional functionality, but it also provides ease of installation. Four stainless steel paddles are included, allowing you to customize the switch to your specific application requirements. Ensure optimal flow control and monitoring with our General Purpose Flow Switch, NEMA1. With its universal design and robust construction, this flow switch is the ideal choice for industrial applications, electronic systems, and more.

Shop now and experience the difference it can make in your operations. Keywords: General Purpose Flow Switch, NEMA1 Flow Switch, Industrial Flow Switch, Electronic Flow Switch, Air Flow Switch, Water Flow Switch, Liquid Flow Switch, Gas Flow Switch, Oil Flow Switch, Flow Sensing Switch, Flow Control Switch, Flow Monitoring Switch, Flow Detection Switch, Flow Meter Switch, Flow Alarm Switch, Flow Safety Switch.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a General Purpose Flow Switch, NEMA1?

    Answer: A General Purpose Flow Switch, NEMA1 is a device designed to detect the flow of fluids within a system. It provides monitoring and control of water and other liquids in various applications. This flow switch operates by activating or deactivating electrical equipment based on the flow rate. Typically, it is used in industrial settings, HVAC systems, and water treatment plants. Its NEMA1 rating indicates that it is suitable for indoor use, protecting against dust and contact. It ensures efficient operation and safety in fluid management systems.
  • Question: How does a General Purpose Flow Switch work?

    Answer: A General Purpose Flow Switch works by utilizing a paddle or turbine mechanism that moves with the fluid flow. When the flow reaches a predetermined rate, the switch is activated, sending an electrical signal to control other devices such as pumps or alarms. This mechanism ensures that your fluid system operates effectively and safely. It's commonly used in applications that require precise flow regulation, like cooling systems or process industry operations.
  • Question: What are the common applications for the General Purpose Flow Switch, NEMA1?

    Answer: The General Purpose Flow Switch, NEMA1 is widely used in various industries such as HVAC, water treatment, and irrigation systems. In HVAC systems, it monitors fluid flow to ensure proper temperature regulation. In water treatment, it helps in controlling the pump operations based on flow. Additionally, it can be applied in agricultural irrigation systems to manage water distribution effectively. These applications highlight the switch's versatility in fluid management.
  • Question: What should I consider when selecting a General Purpose Flow Switch?

    Answer: When selecting a General Purpose Flow Switch, consider the type of fluid, the flow rate requirements, and the environmental conditions. Also, check the switch's material compatibility with the fluid to avoid corrosion. The installation location and available space should also be assessed to ensure proper fitting. Understanding these parameters is crucial to ensure reliable performance and longevity of the flow switch in your specific application.
  • Question: Is the General Purpose Flow Switch suitable for hazardous environments?

    Answer: The General Purpose Flow Switch, NEMA1 is designed for non-hazardous environments. If your application involves hazardous locations, consider a flow switch with an appropriate explosion-proof rating. This ensures safety in environments where flammable materials may be present. Always assess the specific safety requirements of your application to choose the correct type of flow switch that adheres to necessary safety standards.
  • Question: Can the General Purpose Flow Switch be used for both liquids and gases?

    Answer: Typically, the General Purpose Flow Switch is optimized for use with liquids rather than gases. However, depending on the model, some flow switches can also be applicable for gas flow monitoring. Be sure to consult the product specifications to ensure that the switch meets your required fluid type and application. Using the appropriate flow switch for gas or liquid guarantees the accuracy and reliability of flow monitoring in your system.
  • Question: What are the benefits of using a General Purpose Flow Switch?

    Answer: Using a General Purpose Flow Switch offers numerous benefits, including enhanced control over fluid processes, improved safety, and reduced downtime due to flow disruptions. It allows for real-time monitoring of fluid flow, helping in making informed decisions regarding system operations. This can lead to energy savings and optimized system performance, making it an invaluable tool in various industrial settings where fluid management is crucial.
  • Question: What is the typical installation process for a General Purpose Flow Switch?

    Answer: The installation of a General Purpose Flow Switch generally involves mounting it in the correct position within the pipeline, ensuring that the flow direction aligns with the switch design. Electrical connections are made according to the manufacturer’s guidelines. It’s crucial to ensure that the switch is placed where it can accurately measure flow without obstructions. Consulting the installation manual will provide detailed steps tailored to your specific model, ensuring efficient set-up and operation.
  • Question: How do I maintain a General Purpose Flow Switch?

    Answer: Maintaining a General Purpose Flow Switch involves regular inspection to ensure no debris is obstructing the flow mechanism and that electrical connections are secure. Depending on the application, periodic cleaning may be necessary to avoid build-up that could affect performance. Routine checks can help identify any irregularities in flow measurement, allowing for timely intervention to maintain system integrity and functionality.
  • Question: Where can I buy General Purpose Flow Switch, NEMA1 in Sint Maarten?

    Answer: You can buy the General Purpose Flow Switch, NEMA1 from Ubuy, which offers a wide selection of electronics and automation products. Ubuy ensures a smooth shopping experience with detailed product descriptions and customer support to help with your purchase decision.

Mcdonnell & Miller Flow Switches FS251 Editorial Review

No editorial reviews found

Customer Reviews & Ratings

4.0
1 customers ratings
  • 5 Star
    0%
  • 4 Star
    100%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

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.

ANG 475

Order now and get it around Wednesday, August 05

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Single pole, double throw snap switch
  • EPDM O-ring sealed
  • Minimum temperature (fluid or ambient) 32 Deg. F (0 Deg. C)
  • Maximum temperature 250 Deg F (121 Deg. C)
  • Maximum pressure 160 psi (11.2 kilogram/cm2)
  • Sensitivity adjusting screw makes flow adjustment easy

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.