NV C-37 Solar Practice Questions - Nevada C-37 Solar Contractor Examination Exam

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For a glazed flat-plate collector loop serving potable or glycol solar water heating under C-37 practice, which piping material is the usual choice because it can survive collector stagnation temperatures of 300°F and higher?

Schedule 40 PVC PEX-A rated only to 180°F ABS DWV Type L copper tube

Correct Answer:

Type L copper tube

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