Green Plumbing

Category - Caring for Our Planet

Each of the following is a factor in the definition of a “good” water heating system, except:
  1. Addresses temperature of incoming water year-round
  2. Meets customer wants and expectations
  3. Suitable hot water flow rates
  4. Top-of-line components
Explanation
Answer: D - Top-of-line components do not constitute a factor in the definition of a “good” water heating system. Good systems can include mainstream components as long as the system design accommodates the other responses.
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