NV C-37A Solar Water Heating Practice Questions - Nevada C-37A Solar Water Heating Contractor Examination Exam

Which copper tube type is the usual choice for a pressurized solar collector loop serving potable domestic hot water?

Type DWV copper, because collector loops are not under pressure Type M only, because solar loops never exceed 100°F Type L copper tube, listed for hot-water service and the temperatures a glazed collector can reach Soft Type K refrigeration coil without joints

Correct Answer:

Type L copper tube, listed for hot-water service and the temperatures a glazed collector can reach

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