Adopts With Amendments
Chapter 7
Combustion Air
International Mechanical Code 2021
[F] 701.1 Scope - Combustion Air
Section 701.1 — Scope - Combustion Air. 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 Combustion Air Scope
Section 701.1.1 — 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] 701.1.2 Indoor Air Volume Method
Section 701.1.2 — Indoor Air Volume 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] 701.1a Combustion Air General
Section 701.1a — Combustion Air 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] 701.2 Combustion Air General
Section 701.2 — Combustion Air 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] 701.2.1 Confined Space Definition
Section 701.2.1 — Confined Space Definition. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 701.3 Outdoor Combustion Air
Section 701.3 — Outdoor 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] 701.3.1 Outdoor Air
Section 701.3.1 — Outdoor 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] 701.4 Combustion Air Ducts
Section 701.4 — Combustion Air Ducts. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 702.1 Inside Air
Section 702.1 — Inside 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] 702.1.1 Indoor Combustion Air Opening Sizes
Section 702.1.1 — Indoor Combustion Air Opening Sizes. 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] 702.1a Indoor Combustion Air
Section 702.1a — Indoor 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] 702.2 Communicating Spaces
Section 702.2 — Communicating Spaces. 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 Direct Opening Method
Section 702.2.1 — Direct Opening 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] 702.3 Two Permanent Openings
Section 702.3 — Two Permanent Openings. 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] 702.3.1 Horizontal Ducts
Section 702.3.1 — Horizontal Ducts. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 703.1 Indoor Combustion Air Supply
Section 703.1 — Indoor Combustion Air Supply. 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 Outdoor Combustion Air Openings
Section 703.1.1 — Outdoor Combustion Air Openings. 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] 703.1a Outdoor Combustion Air
Section 703.1a — Outdoor 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] 703.2 Opening Size for Outside Air
Section 703.2 — Opening Size for Outside 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] 703.2.1 Single Opening for Outdoor Air
Section 703.2.1 — Single Opening for Outdoor 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] 703.3 One Permanent Opening Method
Section 703.3 — One Permanent Opening 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] 703.4 Outdoor Air - Horizontal Ducts
Section 703.4 — Outdoor Air - Horizontal Ducts. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 703.5 Outdoor Air - Vertical Ducts
Section 703.5 — Outdoor Air - Vertical Ducts. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 704.1 Mechanical Combustion Air Supply
Section 704.1 — Mechanical Combustion Air Supply. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 704.1.1 Mechanical Combustion Air Supply
Section 704.1.1 — Mechanical Combustion Air Supply. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 704.2 Mechanical Combustion Air Rate
Section 704.2 — Mechanical Combustion Air Rate. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 704.3 Mechanical Air Interlocks
Section 704.3 — Mechanical Air Interlocks. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 705.1 Combustion Air - Outdoor Air Through One Opening
Section 705.1 — Combustion Air - Outdoor Air Through One Opening. 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] 705.1.1 Combustion Air Duct Requirements
Section 705.1.1 — Combustion Air Duct Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 706.1 Direct Duct Connection
Section 706.1 — Direct Duct Connection. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. 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.