Green Plumbing

Category - Solar Hot Water

Which of the following is a key advantage of an evacuated tube array collector design?
  1. Keeps operating if tube is damaged; replace only glass portion of tube
  2. Ensures that no snow can accumulate on the collector installation
  3. A and B above
  4. None of the above
Explanation
Answer: A -An evacuated tube array collector design keeps operating if a tube is damaged, which does not happen easily. Repair consists of merely replacing the glass portion of the tube. In actuality, snow accumulation is a disadvantage of an evacuated tube array, not a benefit.
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