What Are Press Jaws for Press Plumbing Tools?

Press plumbing tools are a game-changer in the world of plumbing. They are designed to simplify and streamline the process of joining pipes and fittings, offering an alternative to traditional methods like soldering or threading. Among the components of these tools, press jaws play a vital role.


Understanding Press Jaws


What are Press Jaws?


Press jaws are specialized mechanical devices used in conjunction with press plumbing tools. These jaws are designed to apply precise and consistent pressure to pipe and fitting connections, creating a secure and leak-free seal.


Their Role in Press Plumbing


Press jaws are indispensable in press plumbing as they ensure that connections are made accurately and efficiently. By eliminating the need for open flames or threading machines, they contribute to a safer working environment.


Types of Press Jaws


When it comes to press jaws, there is no one-size-fits-all solution. Various types cater to different pipe materials and sizes, making it essential to choose the right ones for each job. Let’s explore the primary types of press jaws.


1. Standard Press Jaws


Standard press jaws are the most widely used type and are compatible with various pipe materials, including copper and stainless steel. They are designed for general-purpose applications and offer versatility in handling different pipe sizes. Standard press jaws are known for their reliability and ease of use, making them a popular choice among plumbers and contractors.


2. Angled Press Jaws


Angled press jaws, as the name suggests, are designed with an angled shape. This unique design allows for easier access to tight and hard-to-reach spaces, such as corners or areas with limited clearance. Angled press jaws are particularly valuable when working on complex plumbing installations where maneuverability is a challenge. They provide the same level of precision and sealing quality as standard press jaws but with added flexibility in confined spaces.

These two types of press jaws cater to different needs and scenarios, ensuring that plumbing professionals have the right tools for various applications. Whether you require the versatility of standard press jaws or the accessibility of angled press jaws, choosing the appropriate type is essential to ensure the success of your plumbing projects.


Choosing the Right Press Jaws


Selecting the appropriate press jaws is crucial to the success of any press plumbing project. Here are some factors to consider when making your choice.


Factors to Consider When Selecting Press Jaws

  • Pipe Material: Ensure that the press jaws are compatible with the type of pipe you are working with, whether it’s copper, stainless steel, or PEX.
  • Pipe Size: Match the press jaws to the size of the pipe and fitting to achieve a secure connection.
  • Brand Compatibility: Some press jaws are designed to work seamlessly with specific press tool brands. Check for compatibility to avoid any issues.
  • Job Requirements: Consider the specific requirements of your plumbing project, such as space constraints or the need for multi-size jaws.


How Press Jaws Work


Press jaws are relatively easy to use, but it’s essential to follow proper procedures to ensure a successful connection.


Step-by-Step Guide to Using Press Jaws

  1. Prepare the pipe and fitting by ensuring they are clean and free of debris.
  2. Insert the pipe and fitting into the jaws of the press tool.
  3. Squeeze the press tool’s trigger to activate the jaws, applying pressure to the connection.
  4. Wait for the tool to indicate a successful press, usually with a visual or audible signal.


Safety Precautions

While using press jaws, safety should always be a top priority. Ensure you have the appropriate protective gear, and follow these safety guidelines:

  • Wear safety glasses to protect your eyes.
  • Keep hands and body clear of the press jaws during operation.
  • Follow the manufacturer’s instructions for the specific press tool you are using.


Advantages of Using Press Jaws


The adoption of press jaws in plumbing projects comes with several advantages that have made them increasingly popular among professionals.


Efficiency and Time-Saving Benefits

Press jaws significantly reduce installation and repair times compared to traditional methods. The quick and reliable connections they create save both time and labor costs.


Reduced Risk of Leaks and Errors

The consistent pressure applied by press jaws results in leak-proof connections. Unlike soldering, there’s no risk of overheating or uneven sealing, reducing the chances of errors.


Maintenance and Care for Press Jaws

To ensure the longevity and effectiveness of your press jaws, proper maintenance is crucial.


Keeping Your Press Jaws in Optimal Condition

  • Regularly inspect the jaws for wear and tear, and replace them if necessary.
  • Clean the jaws after each use to prevent debris buildup.
  • Store press jaws in a dry and cool place to prevent corrosion.




Press jaws are an integral part of modern press plumbing tools, offering efficiency, reliability, and safety in plumbing projects. Understanding the types, selection criteria, and proper usage of press jaws is essential for anyone in the plumbing trade.



1. Are press jaws compatible with all press plumbing tools?

Press jaws are designed to be compatible with specific press tools. It’s essential to ensure that the jaws you choose match your press tool size and model.

2. Can press jaws be used for both residential and commercial plumbing projects?

Yes, press jaws are versatile and can be used in a wide range of plumbing applications, from residential installations to large commercial projects.

3. How often should I replace my press jaws?

The frequency of replacement depends on usage and wear. Regularly inspect your press jaws, and replace them if you notice signs of damage or wear that could affect the quality of connections.

4. Are press plumbing tools cost-effective in the long run?

Despite the initial investment, press plumbing tools, including press jaws, are generally cost-effective in the long run due to reduced labor costs, faster project completion, and fewer errors.


Recommended Angled Press Jaws


There are several angled press jaws available in the market but our most popular sets are as follows.


Novopress Angled Jaws Set


The Novopress Angled Jaw Set, is tailored for copper metric sizes of up to 35mm. This set offers the choice between M Profile or V Profile, providing flexibility based on your needs. The kit includes angled adaptors suitable for both smaller 12V machines and larger 18V machines. The standout feature lies in the jaws’ ability to be rotated to the maximum angle, greatly enhancing usability in challenging installation spaces—especially in narrow or angled areas that are typically hard to access.

In the set you will get:

  • 15mm and 22mm sling
  • additional jaws up to 35mm (up charge inc.)
  • Novopress Angled Adaptor
  • 1 x Kitbox


REMS Angled Jaws Set


The REMS Angled Press Jaws offer versatility with options for 15mm and 22mm heads or 28mm and 35mm heads. Available in M Profile or V Profile, these jaws are designed for Mini-Press users, allowing pressing at any angle within a 180° range. This flexibility facilitates pressing in challenging spaces like against walls or inside shafts, making it easier to navigate restricted areas during plumbing tasks.

In this set you will get:

  • 15mm and 22mm sling
  • additional jaws up to 35mm (up charge inc.)
  • Angled Adaptor
  • 1 x Kitbox