Sample interview questions: How do you handle situations where you need to work on plumbing systems affected by extreme temperature variations?
Sample answer:
Addressing Plumbing Systems Affected by Extreme Temperature Variations:
- Insulate pipes: Use foam insulation or fiberglass sleeves to protect pipes from freezing or overheating. Seal insulation joints with tape.
- Install heat tracing: Consider electric or self-regulating heat tape for areas prone to freezing.
- Drain outdoor fixtures: Before freezing temperatures, drain water from outdoor faucets, hoses, and sprinklers to prevent freezing and bursting.
- Adjust water temperature settings: Reduce hot water temperature to 120°F (49°C) to prevent scalding and pipe damage from excessive heat.
- Use expansion tanks: Install expansion tanks on closed water systems to absorb pressure fluctuations and prevent damage to pipes and fixtures.
- Check vents and drains… Read full answer
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