Plumbing Basics for Contractors. Plumbing Basics for Contractors, 3rd Edition replaces Plumbing Basics for Contractors, 2nd Edition. Plumbing Basics for Contractors, 2nd Edition is still approved for use, but it is not the preferred edition.
The process was so simple thanks to Contractor Campus they made sure I knew all the information I needed to know ! I felt so prepare to take my exam !Jess Marie