Preparation for Plumbing Level 4

For Incoming Level 4 Plumbing Apprentices

There will be a “Gasfitting” Exam on Day 1 which will encompass the material covered in the “Gasfitting” portion of Level 3. Please bring your B149.1 Gas Code book, a calculator, pencil and eraser and come prepared to write this test as it will be counted toward your Gas Fitting Mark for Level 4.