§ Chapter 24 IRC 2021
Fuel Gas
12 entries from Chapter 24 of IRC 2021, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.
§ 01 Sections
All 12 entries.
Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.
Section
Title
Question
G2401.1
Propane and Natural Gas Use the Same Chapter 24 Framework but Different Design Assumptions
G2401.1
Does the fuel gas code treat propane differently than natural gas?
Does the fuel gas code treat propane differently than natural gas?
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G2411.2
CSST Gas Piping Requires Bonding Under IRC 2021
G2411.2
Does CSST gas piping need to be bonded, and where does the bonding wire attach?
Does CSST gas piping need to be bonded, and where does the bonding wire attach?
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G2413.3
Gas Line Sizing Depends on Load, Length, Pressure, and Pipe Material
G2413.3
How do I know what size gas line I need for a furnace, range, tankless water heater, or generator?
How do I know what size gas line I need for a furnace, range, tankless water heater, or generator?
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G2413.3
Generator Gas Lines Must Be Sized and Installed as Permanent Fuel-Gas Piping
G2413.3
Can I connect a portable or standby generator to my natural gas line with a quick-connect hose?
Can I connect a portable or standby generator to my natural gas line with a quick-connect hose?
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G2414.1
Fuel Gas Piping Must Use Approved Pipe, Tubing, and Fittings
G2414.1
What kind of gas pipe is allowed in a house under the 2021 IRC?
What kind of gas pipe is allowed in a house under the 2021 IRC?
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G2415.12
Underground Gas Piping Needs Burial Depth, Corrosion Protection, and Approved Transitions
G2415.12
How deep does a buried gas line need to be, and can plastic gas pipe go under a slab or into the house?
How deep does a buried gas line need to be, and can plastic gas pipe go under a slab or into the house?
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G2415.14
Outdoor Grill Gas Connections Need Approved Piping, Shutoff Access, and Listed Quick Disconnects
G2415.14
What does code require for a natural gas or propane line to an outdoor grill?
What does code require for a natural gas or propane line to an outdoor grill?
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G2417.4
New or Altered Gas Piping Must Be Pressure Tested Before Use
G2417.4
What pressure test is required after installing or changing a gas line?
What pressure test is required after installing or changing a gas line?
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G2420.5
Gas Appliances Need Accessible Shutoff Valves Close to the Appliance
G2420.5
Where does the gas shutoff valve have to be for a furnace, range, fireplace, dryer, or water heater?
Where does the gas shutoff valve have to be for a furnace, range, fireplace, dryer, or water heater?
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G2420.5.1
Gas Fireplace Shutoff Valves and Connectors Must Stay Accessible and Listed
G2420.5.1
Can the gas shutoff valve for a fireplace be inside the fireplace, behind the logs, or in the wall?
Can the gas shutoff valve for a fireplace be inside the fireplace, behind the logs, or in the wall?
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G2422.1
Gas Dryer Connections Need a Valve, Listed Connector, and Correct Clearance
G2422.1
What is the code-compliant way to hook up a gas dryer?
What is the code-compliant way to hook up a gas dryer?
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G2422.1.2.3
Flexible Gas Appliance Connectors Cannot Be Used as Hidden Gas Piping
G2422.1.2.3
Can a flexible gas connector go through a wall, floor, cabinet, or furnace cabinet?
Can a flexible gas connector go through a wall, floor, cabinet, or furnace cabinet?
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