Uniweld
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Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection
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Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection
The UNF3 Nitrogen Flow Indicator uses a float ball to visually confirm the nitrogen is flowing, preventing internal oxidation and scale buildup inside the tubing.
Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection
Item #: 71132831

Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection

Item #: 71132831

TTD 658

Price Details

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*All items will import from US

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Order now and get it around Thursday, August 06
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The UNF3 Nitrogen Flow Indicator uses a float ball to visually confirm the nitrogen is flowing, preventing internal oxidation and scale buildup inside the tubing.
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What Stands Out

Clear Indicator
The Uniweld UNF3 features a clear flow indicator that allows users to easily monitor nitrogen flow, ensuring accurate diagnostics for HVAC applications.
Versatile Connections
Equipped with both 1/4-inch female flare inlet and 1/4-inch male flare outlet connections, this tool is compatible with a wide range of systems, enhancing usability and convenience.
Durable Construction
Constructed for longevity, the UNF3 is made from high-quality materials, guaranteeing reliable performance in demanding environments and offering long-lasting value for professionals.

Product Details

Shop Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection online at a best price in Trinidad and Tobago. B0C621RG1M
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • HVAC Technicians

    Ideal for HVAC professionals who need to monitor nitrogen flow during system maintenance and repairs.

  • Refrigeration Service

    Excellent tool for refrigeration technicians requiring accurate nitrogen flow measurement for leak testing and system charging.

  • DIY Enthusiasts

    Useful for DIYers working on home air conditioning projects that require nitrogen for purging or pressure testing.

Not Suitable For
  • Casual Users

    Not suitable for casual users with no experience in HVAC or refrigeration systems, as it requires some technical knowledge.

Product Description

Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection

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Customer Questions & Answers

  • Question: What is the purpose of the Uniweld UNF3 Nitrogen Flow Indicator?

    Answer: The Uniweld UNF3 Nitrogen Flow Indicator is designed to monitor and measure the flow of nitrogen gas in various applications, particularly in HVAC systems and refrigeration. This product helps technicians ensure the proper functioning of systems by indicating whether the nitrogen is flowing correctly. Technicians often use it during leak testing, which is crucial for maintaining system integrity. Identifying flow rate issues can prevent further complications and enhance system performance.
  • Question: What type of connections does the Uniweld UNF3 have?

    Answer: The Uniweld UNF3 Nitrogen Flow Indicator features a 14-inch female flare inlet connection and a 14-inch male flare outlet connection. These connections allow for compatibility with standard refrigeration and HVAC hoses and systems, ensuring a secure fit. This design makes it ideal for technicians who frequently switch between different setups, ensuring a reliable flow of nitrogen during testing processes.
  • Question: How do I install the Uniweld UNF3 Nitrogen Flow Indicator?

    Answer: Installation of the Uniweld UNF3 Nitrogen Flow Indicator is straightforward. First, ensure that the system is depressurized. Connect the 14-inch female flare inlet to the nitrogen source and the 14-inch male flare outlet to the system being tested. Tighten any connections securely to avoid leaks. Proper installation guarantees accurate flow reading during tests, making it a practical tool for HVAC professionals to maintain system functionality.
  • Question: Can the Uniweld UNF3 be used with other gases?

    Answer: While the Uniweld UNF3 is designed primarily for nitrogen gas, it can be used with other inert gases that do not react with the materials of the flow indicator. This versatility is beneficial for various testing applications. However, it is essential to ensure that the compatibility of other gases doesn't compromise safety or performance, especially in delicate refrigerant systems.
  • Question: Is the Uniweld UNF3 durable for field use?

    Answer: Yes, the Uniweld UNF3 Nitrogen Flow Indicator is constructed with durable materials designed to withstand the rigors of field use. Its robust design ensures that it can handle various environmental conditions often encountered by HVAC technicians. This durability makes it an essential tool for professionals who need reliable equipment in challenging work environments, ensuring long-lasting performance.
  • Question: What maintenance does the Uniweld UNF3 require?

    Answer: Maintaining the Uniweld UNF3 Nitrogen Flow Indicator is straightforward. Regularly check for any signs of wear or damage, especially at the connection points. Clean the unit gently to prevent dirt buildup that may affect performance. By conducting these simple maintenance steps, users can ensure accurate flow readings and extend the longevity of the device while minimizing potential operational issues.
  • Question: Where is the Uniweld UNF3 manufactured?

    Answer: The Uniweld UNF3 Nitrogen Flow Indicator is manufactured in the United States, following strict quality control standards. Its manufacturing origin speaks to the reliability and efficacy often seen in American-made HVAC tools. This can provide peace of mind for technicians looking for robust, high-quality products that support efficient and effective service in their work.
  • Question: What applications can benefit from using the Uniweld UNF3?

    Answer: The Uniweld UNF3 is ideal for various applications, primarily in HVAC systems and refrigeration services. Technicians often utilize it for leak testing and purging lines with nitrogen, which helps ensure system reliability and efficiency. Its versatility also makes it suitable for any job requiring gas flow monitoring, making it a vital component in service vans and maintenance kits for professionals.
  • Question: How accurate is the flow indication provided by the Uniweld UNF3?

    Answer: The Uniweld UNF3 Nitrogen Flow Indicator provides precise flow indications essential for technicians to monitor gas flow accurately. It is designed to offer clear visibility of nitrogen flow, enabling professionals to make informed decisions during testing and maintenance. Accurate flow readings help avoid potential system failures and ensure that processes are executed efficiently, enhancing the technician’s effectiveness.
  • Question: Where can I buy Uniweld UNF3 Nitrogen Flow Indicator in Trinidad and Tobago?

    Answer: You can buy the Uniweld UNF3 Nitrogen Flow Indicator at Ubuy, which offers a wide range of HVAC and refrigeration tools across Trinidad and Tobago. Ubuy provides a user-friendly online shopping experience, allowing you to easily search for this product and have it delivered to your location, ensuring you have the right tools for your HVAC needs.

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

23 July 2026 · via Trustpilot
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TTD 658

Order now and get it around Thursday, August 06

QTY:

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Features & Benefits

  • Provides extremely low pressure precision gas flow control for nitrogen purging.
  • Prevents internal oxidation during the brazing of copper tubing.
  • Uses a visual float ball to confirm nitrogen flow.
  • Allows for flushing at 25-35 CFH, then reducing to 3-4 CFH to conserve nitrogen.
  • Maximum inlet pressure of 50 PSI, ensuring safety.
  • Compatible with specific Uniweld Nitrogen Regulators for effective pressure control.

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