NV C-1A Boilers Practice Questions - Nevada C-1A Boilers Contractor Examination Exam

Where is an air separator most effective on a hydronic heating boiler?

Near the boiler outlet, where water is hottest and air is least soluble. On the coldest return, where gases are most soluble. On the oil-tank vent so flue gas can leave. Inside the chimney connector above the barometric damper.

Correct Answer:

Near the boiler outlet, where water is hottest and air is least soluble.

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