7104-32 HOLYOKE Npt Cast Union

Review HOLYOKE Inch Npt Cast Red Brass Union 125lb New Never Installed

The Holyoke 7104-32 NPT Cast Iron Union is a high-performance plumbing component designed for use in residential and light commercial applications. This union is constructed from ductile iron, offering superior strength and durability compared to traditional gray iron unions. Its NPT (National Pipe Thread) connection makes it compatible with a wide range of piping systems.

This union features a working pressure rating of 125 pounds per square inch (psi) and a temperature rating of up to 400 degrees Fahrenheit. It is suitable for use with both water and steam applications, making it a versatile option for various plumbing needs. The union's body is cast with an integral nut, which eliminates the need for an additional nut during installation.

The Holyoke 7104-32 NPT Cast Iron Union is equipped with a leak-proof gland packing made from graphite material. This packing provides a tight seal between the union's components, ensuring reliable performance and preventing leaks. The union also has a convenient, easy-to-use hand-tightening nut that simplifies the installation process.

The union's exterior is finished with a durable, high-temperature paint that protects the cast iron from corrosion and wear. This finish not only enhances the union's appearance but also adds an extra layer of protection against the elements, ensuring long-lasting functionality.

In summary, the Holyoke 7104-32 NPT Cast Iron Union is a robust and reliable plumbing component designed for use in various applications. Its ductile iron construction, leak-proof gland packing, and durable high-temperature paint finish make it an excellent choice for plumbing installations that demand strength, durability, and reliability.

The Holyoke 7104-32 NPT Cast Iron Union, 125lb is a common type of cast iron union used in various industrial and residential applications for joining pipes. Here are some pros and cons of buying this union:

1. Durability: Cast iron unions are known for their durability and strength. The Holyoke 7104-32 union is no exception, as it is made of heavy-duty cast iron material that can withstand high pressure and temperature.

2. Leak-free: This union features a double O-ring seal design, which provides an extra layer of protection against leaks.

3. Easy installation: The union comes with a pre-threaded male and female end, making installation quick and easy. No need for additional threading or welding.

4. Reusable: The union can be disassembled and reused multiple times, which can save time and money in the long run.

5. Versatile: This union can be used with various types of pipes, including steel, copper, and PVC.

1. Weight: The cast iron material makes this union quite heavy, which can make it more difficult to handle and transport.

2. Cost: Cast iron unions are generally more expensive than other types of unions, such as plastic or brass.

3. Size: This union is relatively large, which may limit its use in confined spaces or applications where space is a concern.

The Holyoke 7104-32 NPT Cast Iron Union, 125lb is a reliable and durable option for joining pipes in high-pressure and high-temperature applications. Its leak-free design, ease of installation, and reusability make it a practical choice for industrial and residential use. However, its weight, cost, and size may be drawbacks for some users.

If you need a heavy-duty union for high-pressure and high-temperature applications, the Holyoke 7104-32 NPT Cast Iron Union, 125lb is a solid choice. Its durability, leak-free design, and ease of installation make it a worthwhile investment for industrial and residential applications where reliability and strength are essential. However, if weight, cost, or size are significant concerns, you may want to consider other types of unions, such as plastic or brass.

Details:

Part# 7104-32, female npt - threaded on each side, class 125, heavy duty cast red brass not the lower quality yellow brass, new has never been used or installed side. Holyoke fittings 2 npt cast red brass union.

specifications pipehosefit:

• brand: Holyoke
• mpn: 7104-32
• unit type: Lb
• end b diameter: 2 In
• end a-to-end b gender: Female-to-female
• material: Brass
• fitting type: Union
• end a-to-end b: Npt-to-npt

seller pipehosefit:

• rating: 92.9%
• city: fraser, michigan
• # reviews: 12

shipping pipehosefit:

• class: standard
• service: usps ground advantage
• transit: 3-8 days
• type: fixed
• carrier: usps

general pipehosefit:

• category: Business & Industrial > Adapters > Pipe Hose > Threaded Fittings

payments pipehosefit:

• wallet: google-pay
• credit card: visa
• other

returns pipehosefit:

• policy: no returns

offer pipehosefit:

• price: $78.99
• item condition: New
• started: may 12, 2026
• options: ship-to-home
• availability: in stock
• in stock #: 1
• sold #: 7