Terry's Tips are personal observations based on my experience and seeing the cause and effects of things. There may be many ways to address different problems and all opinions are welcome. I am always open to suggestions and certainly want you to correct me on any mistakes that might be written.
If you look and listen to your house, it will talk to you. Are you listening?
Although it is not as common in the northeast I still see Polybutylene piping installed in homes mostly built in the 1980's. If you see gray supply pipes that run to your fixtures you may want to check out the following websites. The bottom line is there are well documented problems with this product and fittings. They can suddenly fail causing thousands of dollars in damages.