Yes, PB2110 is the problematic pipe.
There is some PB2110M that was not included in the settlement but I am not sure what is different about the M version.
If it has the new crimp rings and metal inserts AND is on well water with no chlorine I do not think it is a major issue but I report it just the same.
Here is a template, change as needed to fit the particular situation:
Polybutylene plastic plumbing supply lines (PB) are installed in this home.
Polybutylene has been used in this area for many years, but has had a higher than normal failure rate, and is no longer being used.
Copper and Brass fittings used in later years have apparently reduced the failure rate but chlorine present in water systems is believed to deteriorate the pipe. This home appears to have the updated fittings.
For further details contact the Consumer Plumbing Recovery center at 1-800-392-7591 or the web at
CPRC, Inc. (default page)
Recommend contacting a licensed plumber that is familiar with PB pipe.