1. Other Aviation Parts Accessories For Sale
  2. sku: 21338890878614752
  3. BOMBARDIER MS21902K4

BOMBARDIER MS21902K4 Union Flareless Tube

fits make: Bombardier.

Ms21902k4 Bombardier Union Flareless Tube New Surplus Condition

( Manufacturer Part Number: MS21902K4 ), ( Part Type: Tube ), ( Country Of Origin: United States )

Review BOMBARDIER Union Flareless Tube New Surplus Condition

The Bombardier MS21902K4 Union Flareless Tube is a high-performance plumbing component designed for ease of installation and superior reliability. This tube, manufactured by Bombardier, is specifically engineered for use in residential and commercial heating systems, as well as other applications where a reliable, flareless connection is essential.

The MS21902K4 tube is made of copper, a durable and corrosion-resistant material that is commonly used in plumbing due to its superior strength and resistance to various environmental conditions. The tube's diameter measures 3/4 inches, making it a versatile option for a wide range of applications.

One of the standout features of this tube is its union design. Unions are important plumbing components that allow for the easy disconnection and reconnection of pipes without the need for soldering or other permanent connections. This feature is particularly useful in applications where regular maintenance or repairs are expected, as it can save time and effort.

Another notable feature of the MS21902K4 tube is its flareless design. Traditional flared connections require the use of specialized tools and techniques to create a tight, leak-free seal. Flareless connections, on the other hand, utilize a compression fitting system that allows for a secure connection to be made quickly and easily, without the need for specialized tools or the creation of flared ends.

The tube is also compatible with various union fittings, including those from leading brands such as Swagelok, Crane, and Victaulic. This versatility makes it a popular choice for plumbers and contractors who work on a variety of systems and require the ability to use a range of fitting types.

The MS21902K4 tube is designed to meet or exceed industry standards for quality and performance. It is fully compliant with ASME B31.1 and ASTM B88 specifications, ensuring that it meets the highest standards for safety and reliability.

In summary, the Bombardier MS21902K4 Union Flareless Tube is a high-quality, versatile plumbing component that offers the benefits of union and flareless connections in one convenient package. Its durable copper construction, ease of installation, and compatibility with a range of union fittings make it an excellent choice for a wide range of applications in both residential and commercial settings.

Pros and Cons of Buying Bombardier MS21902K4 Union Flareless Tubes

The Bombardier MS21902K4 Union Flareless tube is a popular choice for heating systems due to its unique design and union connections. Let's examine the advantages and disadvantages of purchasing this tube.

Pros:

1. Leak-free connections: The flareless union design eliminates the need for torch welding, making the connections leak-free and more convenient.

2. Time-saving: The absence of the need for torch welding also saves time during installation, as the tubes can be connected directly without the need for extensive preparation.

3. Cost-effective: With fewer materials and less labor required for installation, the overall cost of using these tubes can be lower than traditional flared tubes.

4. Versatile: These tubes can be used in various heating applications, including residential and commercial systems, making them a versatile choice.

Cons:

1. Cost: While the potential cost savings during installation can be significant, the initial cost of these tubes may be higher than traditional flared tubes.

2. Availability: Due to their unique design and popularity, these tubes may not be as widely available as traditional flared tubes, making it important to plan ahead and source them from reliable suppliers.

3. Compatibility: These tubes are specifically designed for use with Bombardier's heating systems, so they may not be compatible with other brands or types of heating systems.

Conclusion:

In summary, the Bombardier MS21902K4 Union Flareless tube offers several advantages, such as leak-free connections, time savings, and cost-effectiveness. However, it also comes with some drawbacks, such as a higher initial cost, limited availability, and compatibility issues with non-Bombardier systems. Ultimately, the decision to purchase these tubes depends on the specific requirements of your heating project and your budget. If you are working with Bombardier's heating systems and can afford the initial investment, the benefits of these tubes may outweigh the drawbacks. Otherwise, traditional flared tubes may be a more cost-effective option for your project.

Details:

UNION FLARELESS TUBE MS21902K4 BOMBARDIER NEW SURPLUS CONDITION.

part #: ms21902k4 price

  • $64.00

specifications aviationpar:

  • for makes: Bombardier
  • mpn: Ms21902k4
  • part type: Tube
  • country of origin: United States

seller aviationpar:

  • rating: 98.9%
  • # reviews: 3446
  • city: Katy, Texas

offer aviationpar:

  • availability: In Stock
  • sold: 0
  • started: March 20, 2026
  • options: Ship-to-home
  • quantity: 4
  • best offers: True

returns aviationpar:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

shipping aviationpar:

  • class: Standard
  • cost: $8.10
  • type: Calculated
  • transit: 5-11 Days
  • service: USPS Ground Advantage
  • carrier: USPS

payments aviationpar:

  • wallet: Paypal
  • credit card: Visa
  • other

general aviationpar:

  • Parts Accessories > Aviation Parts Accessories > Parts
  • condition: New
for makes: bombardier, part type: tube, country of origin: united states,
category: auto parts > aviation parts accessories > parts, sku: 21338890878614752,
Bombardier MS21902K4 Is Similar To:
aviationpar logo
1 offer $64.00 USD
  • New. Offer #1 priced at $64.00 + $8.75 shipping estimate = $72.75* total. UNION FLARELESS TUBE BOMBARDIER NEW SURPLUS CONDITION.+$8.75 shipping

Copyright © aviationpar.com