FREE On-Site Estimates
We Come To Your Home or Business For $0 Out of Pocket
Jilly Logo 1
Plumbing  1071288509

The Different Types of Plumbing Fittings and Their Uses

Plumbing fittings play a crucial role in our daily lives. They ensure that water flows smoothly through our homes and commercial spaces, enabling us to carry out essential tasks like cooking, cleaning, and bathing. With a wide variety of Types of plumbing fittings available, it’s essential to understand their different types and uses. This article will cover the materials used in plumbing fittings and the different types, ensuring you have the knowledge to make informed decisions when it comes to your plumbing needs.

The Importance of Plumbing Fittings

Plumbing fittings are the vital components that connect pipes and other plumbing fixtures, ensuring that water and waste can be transported efficiently through your plumbing system. They not only facilitate the flow of water and waste but also help prevent leaks and maintain proper water pressure. Choosing the right plumbing fittings is essential to ensure the longevity and efficiency of your plumbing system.

Materials Used in Plumbing Fittings

There are several materials used in the manufacturing of plumbing fittings, each with its unique properties and applications. Some of the most common materials include:

  • PVC (Polyvinyl Chloride)

PVC is a popular material for plumbing fittings due to its affordability, durability, and ease of installation. It’s commonly used for residential and commercial water supply lines, as well as drain, waste, and vent systems.

  • Copper

Copper is a long-lasting, corrosion-resistant material that has been used in plumbing systems for many years. It’s often used for water supply lines and has a reputation for being reliable and durable. However, it can be more expensive and requires soldering during installation, which may not be suitable for DIY enthusiasts.

  • Brass

Brass is a durable and corrosion-resistant material that’s commonly used in plumbing fittings. It’s ideal for hot water supply lines and has excellent heat resistance. Brass fittings are available in a variety of shapes and sizes, making them versatile and suitable for various applications.

  • Galvanized Steel

Galvanized steel fittings are coated with a layer of zinc to protect against rust and corrosion. They were once widely used in plumbing systems, but they have been largely replaced by more modern materials such as PVC and copper due to their tendency to corrode over time.

Plumbing  229520926
Plumbing  308616560

Types of Plumbing Fittings

There are numerous types of plumbing fittings, each with its unique purpose and application. Some of the most common fittings include:

  • Adapter

Adapters are used to connect two different types of pipes or fittings. They come in various sizes and shapes, ensuring a secure connection between different materials or pipe sizes.

  • Coupling

Couplings are used to connect two similar pipes or extend the length of a pipe. They come in two forms: regular and slip. Regular couplings have a central ridge that stops the pipe from sliding through, while slip couplings have a smooth interior that allows the pipe to slide in for easier installation.

  • Elbow

Elbow fittings change the direction of a pipe, usually at 45 or 90-degree angles. They are used in both water supply lines and drainage systems to navigate around obstacles and corners.

  • Tee

Tee fittings have three openings and are used to create branch lines or split a single pipe into two separate lines. They come in various sizes and angles to accommodate different pipe configurations.

  • Cross

Cross fittings have four openings, allowing for the connection of four pipes at a single point. They are typically used in sprinkler systems and other applications that require multiple pipe connections.

  • Cap

Caps are used to close off the end of a pipe, preventing water or waste from escaping. They are commonly used during plumbing repairs or when a pipe is temporarily not in use.

  • Plug

Plugs are similar to caps but are used to close off the end of a threaded pipe. They are available in a variety of materials and sizes to accommodate different pipe diameters.

  • Nipple

Nipples are short lengths of pipe with threads on both ends, used to connect two fittings or extend the length of a pipe. They are available in various materials and lengths.

  • Union

Union fittings are used to join two pipes without the need for soldering or threading. They consist of three parts: a nut, a female end, and a male end. When the nut is tightened, the male and female ends are compressed together, creating a watertight seal.

  • Valve

Valves are used to control the flow of water or gas through a pipe. They come in a variety of types, including ball valves, gate valves, and check valves, each with its specific purpose and application.

Plumbing  160500242

Choosing the Right Plumbing Fittings

Selecting the appropriate plumbing fittings for your project is essential to ensure the proper functioning of your plumbing system. Consider the following factors when choosing plumbing fittings:

  1. Material: Choose the right material based on the specific application and local plumbing codes.
  2. Size: Ensure that the fittings are the correct size for your pipes and intended purpose.
  3. Type: Select the appropriate type of fitting for your project, considering factors such as flow control, pipe connections, and direction changes.


Understanding the different types of plumbing fittings and their uses is crucial when undertaking any plumbing project. Familiarizing yourself with the various materials and fitting types will enable you to make informed decisions and ensure a properly functioning plumbing system. Always consult a professional plumber if you are unsure about the best fittings for your specific needs.


  1. Q: Can I mix different materials for plumbing fittings and pipes?

A: Mixing materials can sometimes be done, but it’s essential to ensure compatibility between the materials to prevent leaks and corrosion. Using adapters specifically designed for connecting different materials can help ensure a secure connection.

  1. Q: How do I determine the size of the plumbing fittings I need?

A: Plumbing fittings are usually sized based on the diameter of the pipes they connect. Measure the outside diameter of the pipes you’re working with and consult a sizing chart or professional plumber to determine the appropriate size fittings.

  1. Q: What is the difference between a tee and a cross-fitting?

A: Tee fittings have three openings and are used to create branch lines or split a single pipe into two separate lines, while cross fittings have four openings for connecting four pipes at a single point.

  1. Q: Are all plumbing fittings universal?

A: No, plumbing fittings come in various sizes, materials, and types to accommodate different applications and plumbing systems. It’s essential to select the appropriate fittings for your specific project to ensure a secure and leak-free connection.

  1. Q: When should I replace my plumbing fittings?

A: Plumbing fittings should be replaced if they show signs of wear, corrosion, or damage. Regularly inspecting your plumbing system can help you identify potential issues before they become severe problems.

Contact us!

When it comes to finding the right plumbing fittings for your project, rely on the experts at Jilly Plumbing. Our experienced team can help you choose the best materials and fittings for your unique needs. Contact us today to discuss your plumbing project and experience the Jilly Plumbing difference.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Skip to content