SECTION .0500 ‑ EXISTING INSTALLATIONS: HEATING BOILERS
13 NCAC 03 .0501 STANDARD BOILERS
13 NCAC 03 .0502 NONSTANDARD RIVETED BOILERS
13 NCAC 03 .0503 NONSTANDARD WELDED BOILERS
13 NCAC 03 .0504 NONSTANDARD CAST‑IRON BOILERS
13 NCAC 03 .0505 SAFETY VALVES
13 NCAC 03 .0506 SAFETY RELIEF VALVE REQUIREMENTS FOR HOT WATER BOILERS
13 NCAC 03 .0507 VALVE REPLACEMENT
13 NCAC 03 .0508 INSTRUMENTS: FITTINGS AND CONTROL REQUIREMENTS
13 NCAC 03 .0509 LOW WATER FUEL CUTOFF
13 NCAC 03 .0510 STEAM GAUGES
13 NCAC 03 .0511 PRESSURE OR ALTITUDE GAUGES
13 NCAC 03 .0512 THERMOMETERS
13 NCAC 03 .0513 WATER GAUGE GLASSES