Sink strainers are designed to last a lifetime. However, under some circumstances, you may want to consider getting a new one:
1. If you are getting a new sink, getting a new sink strainer will ensure that the wear will be uniform on both the sink and the strainer.
2. If the sink strainer is leaking and beyond repair, it is time to replace it.
3. Finally, if the sink strainer is old and discolored, you may want to replace it for aesthetic purposes.
Sink Strainers and other Kitchen Plumbing Specialties can be found at www.supplyhouse.com.