Podcast
Questions and Answers
What role does the thermostat play in the water heater system?
What role does the thermostat play in the water heater system?
What is the pressure threshold at which the pressure relief valve opens?
What is the pressure threshold at which the pressure relief valve opens?
Under what condition does the pressure relief valve close?
Under what condition does the pressure relief valve close?
Where is the water heater installed in relation to the mixer valve?
Where is the water heater installed in relation to the mixer valve?
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What occurs when the shut-off valve is closed in the water heater system?
What occurs when the shut-off valve is closed in the water heater system?
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Study Notes
Water Heater Function
- Provides hot water for washbasins in lavatories.
- Installed in the water supply line leading to the mixer valve in each lavatory.
- Contains a tank with electrical heating elements controlled by a thermostat.
Pressure Relief Valve
- Opens automatically when pressure inside the heater exceeds 140 psi.
- This can occur when the shut-off valve is closed, and the water is being heated.
- Closes automatically when the pressure drops below 130 psi.
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Description
This quiz covers the fundamental functions of water heaters, specifically regarding their operation in lavatories. It also explores the important role of pressure relief valves in maintaining safe conditions within water heating systems.
