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

On a closed-loop glycol C-37 system that does not drain back, where are automatic or manual air vents placed?

Only on the cold-water meter Air vents are prohibited on all solar systems On the T&P discharge pipe At the high points of the collector array and piping so trapped air can be released

Correct Answer:

At the high points of the collector array and piping so trapped air can be released

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