Title: Demonstrate the opening of clogged drains, using a vacuum plunger.
Course: Building Management I (16103-I) > Section: Performing Plumbing Maintenance

Demonstration should include the following steps:

- Fill the areas above the drain until the vacuum plunger cup is partially covered.
- Place the cup over the drain opening, forming a vacuum.
- Place a rag over the overflow or vent holes so the vacuum can be made complete.
- Press the plunger downward sharply until the obstruction is free.
- Test the drain.

Process/Skill Questions:

- What are the features of a vacuum plunger?
- What are the uses of a vacuum plunger?
- What hygiene requirements should be followed when using a vacuum plunger?