Can I Reuse PEX Expansion Fittings?
Cross-linked polyethylene, or PEX, has become popular because it is flexible, significantly durable, and, most importantly, relatively easy to install. One of the preferred methods of connecting PEX pipes involves using what is famously known as expansion fittings on the PEX-A tubing. This article will detail PEX expansion fittings, situations where reuse is viable, and tips for installing a sound plumbing system.
What are PEX Expansion Fittings?
PEX expansion fittings are unique parts used in systems with PEX-A pipe and supply. These fittings use the PEX expander tool, such as the iCrimp Expansion Tool, which expands the PEX-A pipe to insert the fitting into it. The pipe recoils to its standard size, leaving a small, airtight ring around the fitting joint. This method is supreme when it comes to creating joints that are rigid, secure, and long-lasting; it is for this reason that many pipe fitting techniques widely use this method.
Advantages of Using PEX Expansion Fittings
- Secure Connections: The expansion method guarantees a good seal that can rarely leak compared to other sealing methods.
- Flexibility: PEX-A is ideally suited for this purpose since it is more flexible and significantly used when the pipe runs are constrained.
- Durability: PEX expansion fittings are used explicitly in expansion and contraction, offering durability in service.
Can PEX Expansion Fittings be Reused?
Despite the understanding that PEX expansion fittings should only be used once since the seal integrity is critical, some cases may warrant PEX expansion fittings' reuse. However, there are several factors before deciding to reuse PEX expansion fittings:
- Condition of the Fitting: Your fitting should not show any damage, deformation, or wear out. Reusing the fitting is not advised if it has the slightest sign of wear.
- Integrity of the Seal: The first mode of pipe expansion brings the PEX pipe to grip tightly on the fitting. Regarding the process, reusing the fitting may be possible; however, the damaged seal may cause leaking.
- Manufacturer's Recommendations: Always adhere to the manufacturer's recommended procedures for safety. All the manufacturers recommend not to reuse expansion fittings to ensure the plumbing system's efficiency.
Conditions Where Reuse of PEX Expansion Fittings Can Be Viable
If and only if the application is a low-risk, temporary, or emergency, then reusing a PEX expansion fitting might be contemplated. For example:
- Temporary Repairs: The only time it would be possible or tolerable to reuse a fitting may be when a temporary solution is pending the acquisition of a more permanent one.
- Non-critical Applications: Using the same fitting might be tolerable if equipment or system leaks are not very dangerous.
Risks of Reusing PEX Expansion Fittings
Reusing PEX expansion fittings can pose several risks, they include:
- Compromised Seals: The risk of not creating the proper seal on the new fitting, from the use of a reused one, creates a risk of the setup leaking.
- Decreased Reliability: Reusing fittings reduces the likelihood of a reliable plumbing system, increasing future maintenance and repair costs.
- Void Warranties: Regarding the fittings, guarantees from many manufacturers are null and void if their fittings are compromised, and so are costs when issues arise.
Best Practices for PEX Expansion Fittings
To ensure the best performance from your PEX plumbing system, follow these practices:
- Use New Fittings: Although it is slightly cheaper to reuse the PEX expansion fittings, use new fittings for every connection to create a new seal and ensure the system's safety.
- Proper Installation: cut the pipes correctly, leaving no burrs on them, and the PEX pipes are expanded properly with a high-quality PEX expander, using tools such as the iCrimp Expansion Tool. It will assist in bringing a common unity in terms of connection while at the same time enhancing security.
- Inspect Connections: After installing the system, check all the connected joints and confirm they are well-tightened and do not leak. If they are still not mutually secured, you can use a go/no-go gauge to check the quality of the connection with proficiency.
Read more: Best Fittings for PEX Pipes
Maintenance and Replacement
Frequent maintenance on the plumbing system and changing the fittings are necessary as often as possible. Here are some tips:
- Periodic Inspections: Occasionally look for leaks or corrosion in the pipelines. Early detection prevents significant issues.
- Prompt Repairs: Repair any damages immediately to manage the water leaks using tools like the iCrimp Combo Angle Head PEX Pipe Plumbing Crimping Tool. Replacing a fitting as soon as possible prevents major breakdowns and risks.
- Follow Manufacturer Guidelines: To maximize efficiency, one should follow the manufacturer's guidelines regarding installing and using the machine.
Final Thought
Even though there may be some conditions where it would be convenient to reuse the PEX expansion fittings, it is not recommended since it opens certain dangers and is essential to having a stable plumbing system. New fittings mean a new rubber connection, offering a tight seal and a more extended pipe connection. It is, therefore, advisable to always contemplate the given manufacturer's instructions and recommendations on the best practices to undertake while fixing PEX. Moreover, iCrimp offers the best PEX expansion fitting tools for your project.
References
