Adopts With Amendments
Chapter 7
Combustion Air
International Fuel Gas Code 2021
[F] 701.1 Combustion Air Scope
Section 701.1 — Combustion Air Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 701.1.1 Gas Piping Sizing General
Section 701.1.1 — Gas Piping Sizing General. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 701.2 Gaseous Hydrogen Systems
Section 701.2 — Gaseous Hydrogen Systems. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 701.2.1 Hydrogen Piping Materials
Section 701.2.1 — Hydrogen Piping Materials. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 701.3 Hydrogen System Testing
Section 701.3 — Hydrogen System Testing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 701.4 Direct Vent Appliance Combustion Air
Section 701.4 — Direct Vent Appliance Combustion Air. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 702.1 Hydrogen Piping Materials
Section 702.1 — Hydrogen Piping Materials. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 702.1.1 Hydrogen Gas Detection
Section 702.1.1 — Hydrogen Gas Detection. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 702.2 System Design
Section 702.2 — System Design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 702.2.1 Hydrogen Detection
Section 702.2.1 — Hydrogen Detection. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 702.3 Piping Materials
Section 702.3 — Piping Materials. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 703.1 Vent Connectors
Section 703.1 — Vent Connectors. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 703.1.1 Equivalent Length Method
Section 703.1.1 — Equivalent Length Method. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 703.2 Hydrogen Ventilation
Section 703.2 — Hydrogen Ventilation. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 703.3 Copper and Copper Alloy for Hydrogen
Section 703.3 — Copper and Copper Alloy for Hydrogen. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 704.1 Hydrogen - Testing
Section 704.1 — Hydrogen - Testing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 704.1.1 Vent Connector Clearances
Section 704.1.1 — Vent Connector Clearances. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 704.2 Hydrogen Piping Materials
Section 704.2 — Hydrogen Piping Materials. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 704.3 Indoor Installations
Section 704.3 — Indoor Installations. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 704.4 Ventilation Requirements
Section 704.4 — Ventilation Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 705.1 Equipment Venting
Section 705.1 — Equipment Venting. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 705.2 Engineered Combustion Air Systems
Section 705.2 — Engineered Combustion Air Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 705.3 Reformer Systems
Section 705.3 — Reformer Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 706.1 Storage Systems General
Section 706.1 — Storage Systems General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 706.2 Compressed Gas Containers
Section 706.2 — Compressed Gas Containers. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 706.3 Tube Trailers
Section 706.3 — Tube Trailers. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 707.1 Hydrogen Detection
Section 707.1 — Hydrogen Detection. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 707.2 Hydrogen Piping Purging
Section 707.2 — Hydrogen Piping Purging. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 707.3 Joints and Connections
Section 707.3 — Joints and Connections. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 708.1 Dispensing Systems
Section 708.1 — Dispensing Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 708.2 Dispensing Equipment Standards
Section 708.2 — Dispensing Equipment Standards. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 709.1 Safety Devices General
Section 709.1 — Safety Devices General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 709.2 Emergency Shutoff
Section 709.2 — Emergency Shutoff. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 709.3 Gas Detection
Section 709.3 — Gas Detection. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 709.4 Pressure Relief
Section 709.4 — Pressure Relief. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 710.1 Detection Systems
Section 710.1 — Detection Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 710.2 Periodic Inspection
Section 710.2 — Periodic Inspection. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 711.1 Ventilation Requirements
Section 711.1 — Ventilation Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 711.2 Mechanical Ventilation Rate
Section 711.2 — Mechanical Ventilation Rate. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 712.1 Electrical Classification
Section 712.1 — Electrical Classification. This section covers electrical installation requirements. Specific conductor sizing, circuit protection, and installation methods are in the official code. Refer to the official code text for complete requirements.
[F] 713.1 Gas Fireplace Installation IFGC
Section 713.1 — Gas Fireplace Installation IFGC. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 714.1 Fuel Cell Power Systems
Section 714.1 — Fuel Cell Power Systems. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 715.1 Hydrogen Fueling Stations
Section 715.1 — Hydrogen Fueling Stations. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 716.1 Maintenance
Section 716.1 — Maintenance. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 717.1 Gas Cooking Appliances
Section 717.1 — Gas Cooking Appliances. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] 718.1 Signage
Section 718.1 — Signage. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 719.1 Fire Protection
Section 719.1 — Fire Protection. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 720.1 Piping Identification
Section 720.1 — Piping Identification. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 721.1 Gas Water Heaters IFGC
Section 721.1 — Gas Water Heaters IFGC. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 723.1 Gas Clothes Dryers
Section 723.1 — Gas Clothes Dryers. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.