Title: Identify types of main shutoff valves.
Course: Plumbing II (17058-II) > Section: Roughing-in Water Distribution Components

Identification may include

- gate
- ball
- butterfly.

Process/Skill Questions:

- Where are main shutoff valves typically located in a house?
- What size is the main shutoff valve in a house?
- The main shutoff valve is constructed of what types of materials?
- Which agency oversees backflow compliance?