A hydronic heating boiler in commercial service requires pressure relief to limit vessel pressure. The set pressure of the required relief device is normally established based on which authority chain?

Choices

• (A) The boiler nameplate, ASME Section IV/VIII context, and local code listing with certified installer sizing
• (B) Duct FPM in branches
• (C) Transformer tap only
• (D) Cooling-tower LWT to chiller