13 NCAC 13 .0423             MODEL HOBBY BOILERS

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 ½ 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.