Page 978 - 2018_IRC

INDEX

HAND SHOWER (see SHOWER) HYDROGEN GENERATING
HEADERS AND REFUELING . . . . . . . . . . . . . . . . . . . . M1307.4
SIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R610.8 HYDRONIC HEATING SYSTEMS
Steel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R603.6 Baseboard convectors . . . . . . . . . . . . . . . . . . M2102
Wood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R602.7 Boilers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M2001
HEARTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R1001.9 Expansion tanks . . . . . . . . . . . . . . . . . . . . . . . M2003
Extension . . . . . . . . . . . . . . . . . . R1001.9, R1001.10 Floor heating systems. . . . . . . . . . . . . . . . . . . M2103
HEATED SLAB Operating and safety controls. . . . . . . . . . . . . M2002
Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R202 Piping systems installation . . . . . . . . . . . . . . . M2101
HEATERS
Baseboard . . . . . . . . . . . . . . . . . . . . . . . . . . . M1405 I
Central furnaces . . . . . . . . . . . . . . . . . . . . . . . M1402 IDENTIFICATION
Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M1407 Materials, systems and equipment
Heat pumps . . . . . . . . . . . . . . . . . M1403, N1103.1.2 for energy compliance . . . . . . . . . . . . . . . N1101.10
Masonry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R1002 IDENTIFIED
Pool . . . . . . . . . . . . . . . . . . . . . . .M2006, Chapter 24 Definition applied to electrical equipment . . . . .E3501
Radiant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M1406 INDIRECTLY CONDITIONED SPACE
Sauna . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 24 (see CONDITIONED SPACE)
Unvented . . . . . . . . . . . . . . . . . . . . . . . . . . . . .G2445 INDIVIDUAL
Vented room . . . . . . . . . . . . . . . . .M1410, Chapter 24 Branch circuit, definition . . . . . . . . . . . . . . . . . .E3501
Water . . . . . . . . . . . . . . . . . . Chapter 20, Chapter 28 Sewage disposal systems. . . . . . . . . . . R202, P2602
HEATING Water supply and sewage
Load for calculation of energy . . . . . . . . . . . N1101.9 disposal systems . . . . . . . . . . . . . . . . . . . . . .P2602
Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . R303.10 INFILTRATION
HEATING EQUIPMENT . . . . . . . . . . . . . . . Chapter 14 Air leakage . . . . . . . . . . N102.4, Table N1105.5.2(1)
HEIGHT Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202
Ceiling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R305 INLET
HIGH-EFFICACY LAMPS To masonry chimneys. . . . . . . . . . . . . . . . . R1003.16
Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R202 INSPECTION
HISTORIC BUILDING Excavation for piping. . . . . . . . . . . . . . . . . . . P2604.1
Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R202 Fuel-supply system. . . . . . . . . . . . . . . . . . Chapter 24
Energy conservation requirements. . . . . . . . N1107.6 Of plumbing system . . . . . . . . . . . . . . . . . . . . .P2503
HOLLOW-UNIT MASONRY On-site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R109.1
(see MASONRY) . . . . . . . . . .R606.3.2.2, 606.13.1.2 INSTALLATION
HORIZONTAL Of appliances . . . . . . . . . . . . . . . . . . . . . . . . . M1307
Pipe, definition . . . . . . . . . . . . . . . . . . . . . . . . . .R202 Of cooling and heating equipment . . . . . . . . M1401.1
Vent length . . . . . . . . . . . . . . . . . . . . . . . . M1803.3.2 Of ducts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . M1601.4
HOT TUBS. . . . . . . . . . . . . . R326, E4201, Appendix G Of flue liners . . . . . . . . . . . . . . . . . . . . . . . . R1003.12
HOT WATER Of plumbing fixtures . . . . . . . . . . . . . . . . . . . . .P2705
Definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R202 Of wall furnaces . . . . . . . . . . . . . . . . . . . . . . M1409.3
Distribution pipe rating . . . . . . . . . . . . . . . . . P2906.5 INSULATING SHEATHING
Distribution systems . . . . . . . . . . . . . . . . . . . . .P2905 Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . R202
Energy conservation measures . . . . . . . . . . N1103.5 Requirements . . . . . . . . N1102.1.2, Table N1102.1.2
Heaters . . . . . . . . . . . . . . . . . . . . .M2005, Chapter 24 INSULATION
Piping insulation . . . . . . . . . . . . . . . . . . . . .N1103.5.3 Above-deck. . . . . . . . . . . . . . . . . . . . . . . . . . . . R906
Supplied to bathtubs. . . . . . . . . . . . . . . . . . . . .P2713 Air-impermable . . . . . . . . . . . R202, Table N1102.1.1
Temperature actuated valves for . . . . . . . . . . .P2724 Basement wall. . . . . . . . . . . . . . . . . . . . . . N1102.2.9
HUB DRAIN (See WASTE RECEPTOR) Ceilings with attic spaces . . . . . . . . . . . . . N1102.2.1
HVAC SYSTEM Ceilings without attic spaces. . . . . . . . . . . N1102.2.2
Leakage tests . . . . . . . . . . . . . . . . . . . . . . .N1103.3.4 Crawl space walls . . . . . . . . . . . . . . . . . . N1102.2.10

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