AThat piping is color-coded to match the roof color
BThat piping has serial numbers matching the installation manual
CThat piping is labeled to indicate contents, direction of flow, and temperatures
DThat all piping is labeled with the manufacturer's name
✓ Correct answer: C. That piping is labeled to indicate contents, direction of flow, and temperaturesProper labeling of pipes is required to identify the contents (potable vs. non-potable), direction of flow, and temperatures to ensure safe operation and maintenance.
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