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• M2101.6

  Drilling and Notching

  • Drilling and notching of framing for piping follows the structural chapters; cold-formed steel flanges and lips may not be cut, and SIPs follow R610.7.

  International Residential Code, 2024 · Chapter 21, Hydronic PipingRead the full text (opens UpCodes in a new tab)

• G2431

  General

  International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

• M1503

  Domestic Cooking Exhaust Equipment

  International Residential Code, 2024 · Chapter 15, Exhaust SystemsRead the full text (opens UpCodes in a new tab)

• M1410

  Vented Room Heaters

  International Residential Code, 2024 · Chapter 14, Heating and Cooling Equipment and AppliancesRead the full text (opens UpCodes in a new tab)

• M1407

  Duct Heaters

  International Residential Code, 2024 · Chapter 14, Heating and Cooling Equipment and AppliancesRead the full text (opens UpCodes in a new tab)

• M1803.3

  Installation

  • Connectors stay in the appliance room, are short and straight, rise at least 1/4 in per ft, are supported, and joined with screws or rivets; no flow-blocking devices unless listed.

  International Residential Code, 2024 · Chapter 18, Chimneys and VentsRead the full text (opens UpCodes in a new tab)

• M2105.15.3

  Pressure Vessels

  • Every pressure vessel connection has a shutoff valve.

  International Residential Code, 2024 · Chapter 21, Hydronic PipingRead the full text (opens UpCodes in a new tab)

• G2415.5

  Fittings in Concealed Locations

  • Concealed fittings are limited to threaded elbows, tees, couplings, plugs and caps, brazed, welded, or LC1/LC4 listed fittings.

  International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

Searches all 4,276 IRC 2024 sections, 5,532 IBC 2024 sections and defined terms (Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 so far) and each city's local rules as they are added. Section numbers and titles from the International Residential Code and International Building Code, 2024 editions, copyrighted by the International Code Council; the IRC's electrical chapters (34 to 43) follow NFPA 70, the National Electrical Code. Requirements are summarized in our words (IRC Chapters 3 to 43, IBC Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33); read the full text at the link on each result. Local values come from each city's published documents.