Drain the water from plumbing.

Draining should include the following steps:

• Assemble tools and equipment.
• Turn off the main water supply valve.
• Turn off the water heater.
• Open the lowest and highest faucet in the building.
• Let water drain from the plumbing.

Process/Skill Questions:

• Where is the main water supply valve located?
• What type of tool is used to turn off the main water supply?
• When should water be drained from the plumbing?