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

What is the difference between a chimney and a vent on a fuel-fired boiler?

There is no difference; the words are always interchangeable in UMC Chapter 8. A chimney is typically a masonry or listed factory-built vertical shaft; a vent is a listed factory-built system such as Type B or Type L. A vent carries only oil, and a chimney carries only hydronic water. A chimney is allowed to terminate inside the boiler room.

Correct Answer:

A chimney is typically a masonry or listed factory-built vertical shaft; a vent is a listed factory-built system such as Type B or Type L.

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