In addition to the requirements outlined in this Chapter for manually fired boilers, model hobby boilers shall meet the following requirements:

(1) Each boiler shall have as a minimum:

(a) A properly operating pressure gauge that shall not be less than 1 times nor more than four times the operating pressure of the boiler;

(b) Two safety relief valves each of which shall be capable of protecting the boiler from over pressurization. Requirements for ASME/NB certification are waived;

(c) An easily accessible mud-ring valve;

(d) A water gauge glass; and

(e) If constructed of copper, a fusible plug in the top of the crown sheet.

(2) Upon successful completion of the inspection and payment of the fees, the Chief Inspector shall issue a Certificate of Inspection valid for one year.


History Note: Authority G.S. 95‑69.11; 95‑69.14;

Eff. July 1, 2006;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. July 22, 2018.