Metallic expansion joints should be replaced if they are leaking or can simply be replaced on a scheduled maintenance program in order to avoid leaks that may occur in the future.
![94062a2](https://devptp.usbellows.com/wp-content/uploads/1990/08/94062a2-219x300.jpg)
Metallic expansion joints should be replaced if they are leaking or can simply be replaced on a scheduled maintenance program in order to avoid leaks that may occur in the future.