1. Tapping and threading machines

Tapping and threading machines are used to create precise threads in pipes and fixtures, saving time and effort.

This skill is underrated because many plumbers don't learn it until they're already working on a project. However, mastering tapping and threading machines can make your work significantly faster and more efficient.

2. Pipefitting

Pipefitting involves creating custom pipe solutions for unique installations or special requests.

This skill requires a high level of creativity and problem-solving skills, making it an attractive option for plumbers who enjoy design and engineering.

3. Water meter installation

Installing water meters is a crucial task that requires attention to detail and technical knowledge.

This skill is underrated because it often goes unnoticed by clients, but installing the right water meter can save energy and costs in the long run.