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Green Plumbing

Category - Solar Hot Water

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Which of the following is not a potential hazard of using certain types of solar thermal systems?

Freezing temperatures compromising system
Scaling problem in small-diameter pipes with hard water
Melting tubes
Extremely high temperatures

Explanation

Answer: C - Melting tubes do not constitute a potential hazard of using certain types of solar thermal systems. Freezing temperatures can occur with open systems. Evacuated tube array systems can get as hot as 350 degrees, a hazard in itself that also creates more maintenance considerations. Scaling in small pipes where hard water is present can occur with most types of solar thermal systems.

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