List Of Change Water Pipes Home Ideas. Shut off the water supply to the mobile home. In this video we change out the 28 year old polybutylene (aka poly b) plumbing supply pipes in our mobile home project and replace it with modern pex piping.

These pipes can last for years, but they may eventually need to be replaced. The first step in replacing your water pipes is to shut off the water supply. Locate the section of water pipe that needs to be.