During inspection of a solar water heating system, what is the primary purpose of a temperature and pressure relief valve on the storage tank?

During inspection of a solar water heating

Multiple choice — select the best answer

ATo prevent solar fluid from entering the potable water system
BTo control the flow rate through the solar collectors
CTo prevent tank rupture by releasing water when temperature or pressure exceeds safe limits
DTo regulate the temperature of water delivered to fixtures

✓ Correct answer: C. To prevent tank rupture by releasing water when temperature or pressure exceeds safe limits The temperature and pressure relief valve is a critical safety device that prevents excessive pressure or temperature buildup in the storage tank by releasing water when either parameter exceeds safe limits.

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During inspection of a solar water heating system, what is the primary purpose of a temperature and pressure relief valve on the storage tank?

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