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

What pressure-relief setting is typical on a residential cast-iron hot-water heating boiler?

3 psi, the NFPA 31 oil-inlet limit 12 psi, the usual fill-valve setting 30 psi, at or below a common heating-boiler MAWP 150 psi, a typical potable-water-heater T&P rating

Correct Answer:

30 psi, at or below a common heating-boiler MAWP

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