Reuse compression fittings: a cost-saving hack or a plumbing nightmare?

Compression fittings are a common type of plumbing fitting used to connect pipes without the need for soldering or welding. They are relatively easy to install and can be reused multiple times. However, there are some important things to consider when reusing compression fittings to ensure a secure and leak-free connection.

Can You Reuse Compression Fittings?

The answer to the question of whether or not you can reuse compression fittings is yes, but with some caveats. Compression fittings can be reused multiple times if they are in good condition and have not been damaged. However, it is important to inspect the fittings carefully before reusing them to make sure that they are not cracked, corroded, or otherwise damaged.

When Should You Not Reuse Compression Fittings?

There are a few situations in which you should not reuse compression fittings. These include:

• If the fittings are damaged or corroded
• If the fittings have been used with a corrosive substance
• If the fittings have been overtightened
• If the fittings are not the correct size for the pipe

How to Reuse Compression Fittings

If you decide to reuse compression fittings, it is important to follow these steps to ensure a secure and leak-free connection:

1. Inspect the fittings carefully for any damage. If the fittings are damaged, do not reuse them.
2. Clean the fittings and the pipe ends with a wire brush or sandpaper to remove any dirt or debris.
3. Apply a thin layer of pipe sealant to the pipe ends.
4. Insert the pipe ends into the fittings and hand-tighten the nuts.
5. Use a wrench to tighten the nuts further, but do not overtighten.

Benefits of Reusing Compression Fittings

There are several benefits to reusing compression fittings, including:

• Cost savings: Reusing compression fittings can save you money over buying new fittings.
• Convenience: Reusing compression fittings is a convenient way to make repairs or modifications to your plumbing system.
• Environmental friendliness: Reusing compression fittings helps to reduce waste and conserve resources.

Drawbacks of Reusing Compression Fittings

There are also some drawbacks to reusing compression fittings, including:

• Potential for leaks: Reused compression fittings may be more likely to leak than new fittings.
• Reduced lifespan: Reused compression fittings may have a shorter lifespan than new fittings.
• Warranty issues: Reusing compression fittings may void the warranty on the fittings.

Wrap-Up: The Verdict on Reusing Compression Fittings

Whether or not you should reuse compression fittings is a decision that should be made on a case-by-case basis. If the fittings are in good condition and have not been damaged, reusing them can be a cost-effective and convenient way to make repairs or modifications to your plumbing system. However, if the fittings are damaged or have been used with a corrosive substance, it is best to replace them with new fittings.

Answers to Your Questions

Q: Can you reuse compression fittings on copper pipe?

A: Yes, you can reuse compression fittings on copper pipe if the fittings are in good condition and have not been damaged.

Q: Can you reuse compression fittings on PEX pipe?

A: Yes, you can reuse compression fittings on PEX pipe if the fittings are designed for PEX pipe and are in good condition.

Q: How many times can you reuse compression fittings?

A: Compression fittings can be reused multiple times if they are in good condition and have not been damaged. However, it is important to inspect the fittings carefully before each use to make sure that they are not cracked, corroded, or otherwise damaged.