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

Per NFPA 31 8.2.1, which materials are acceptable for tank fill and vent piping?

PVC schedule 40 drainage pipe. Flexible vinyl garden hose. Unlisted polyethylene irrigation tubing. Wrought-iron, steel, or Schedule 40 brass pipe.

Correct Answer:

Wrought-iron, steel, or Schedule 40 brass pipe.

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