Title: Identify the types of main shut-off valves.
Course: Building Trades II (17009-II) > Section: PLUMBING: Roughing-in Water Distribution Components

Identification should include

- gate
- ball
- butterfly.

IRC: Chapters 26, 27, 28, and 29, cover plumbing code for types of shut-off valves, depending on the type of service, shut-off requirements, and placement, including access.

Process/Skill Questions:

- Where are main shut-off valves typically located in a house?
- What size is the main shut-off valve in a house?
- What types of materials are used in the construction of the main shut-off valve?