Polybutylene plumbing is more commonly called "gray pipe plumbing." The question is, do you have it in your manufactured home? A recent TV program reminded me of the problem this plumbing has caused.

If you’ve never heard of polybutylene piping, chances are you’ve never needed a major plumbing renovation in your house. Polybutylene is often called “poly,” “Poly B,” or “PB.” These days, it no ...