Adopts With Amendments
Chapter 5
Gas Appliances
International Fuel Gas Code 2021
[F] 501 General Venting
Section 501 — General 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] 501.1 Scope
Section 501.1 — 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] 501.1.1 Chimney and Vent Requirements
Section 501.1.1 — Chimney and Vent Requirements. 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] 501.1.2 Vent Categories
Section 501.1.2 — Vent Categories. 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] 501.1.3 Direct-Vent Appliances
Section 501.1.3 — Direct-Vent Appliances. 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] 501.12 Chimneys and Vents - Minimum Size
Section 501.12 — Chimneys and Vents - Minimum Size. 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] 501.1a Scope - Chimneys and Vents Detail
Section 501.1a — Scope - Chimneys and Vents Detail. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 501.2 Venting Required
Section 501.2 — Venting Required. 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] 501.2.1 Venting Required
Section 501.2.1 — Venting Required. 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] 501.3 Chimney and Vent Termination Location
Section 501.3 — Chimney and Vent Termination Location. 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] 501.3.1 Draft Hood Requirements
Section 501.3.1 — Draft Hood Requirements. 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] 501.4 Vent Connectors
Section 501.4 — 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] 501.4.1 Vent Connector Requirements
Section 501.4.1 — Vent Connector Requirements. 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] 501.5 Category III Appliances
Section 501.5 — Category III Appliances. 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] 501.6 Metal Chimneys
Section 501.6 — Metal Chimneys. 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] 501.7 Chimney Termination
Section 501.7 — Chimney Termination. 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] 501.8 Vent Termination
Section 501.8 — Vent Termination. 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] 501.8.1 Unvented Appliance Requirements
Section 501.8.1 — Unvented Appliance Requirements. 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] 502.1 Vent Systems - General
Section 502.1 — Vent 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] 502.1.1 Vent Termination
Section 502.1.1 — Vent Termination. 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] 502.1.2 Connector Rise
Section 502.1.2 — Connector Rise. 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] 502.2 Vent Connector Requirements
Section 502.2 — Vent Connector Requirements. 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] 502.2.1 Type L Vent Installation
Section 502.2.1 — Type L Vent Installation. 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] 502.3 Type L Vents
Section 502.3 — Type L Vents. 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] 502.3.1 Connector Length
Section 502.3.1 — Connector Length. 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] 502.4 Vent Connector Slope
Section 502.4 — Vent Connector Slope. 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] 502.5 Chimneys and Vents - Connector Clearances
Section 502.5 — Chimneys and Vents - 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] 502.6 Vent Connector Length
Section 502.6 — Vent Connector Length. 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] 502.7 Vent Connector Clearance
Section 502.7 — Vent Connector Clearance. 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] 503 Venting System Design
Section 503 — Venting 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] 503.1 General Appliance Location
Section 503.1 — General Appliance Location. 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] 503.1.1 Vent Connector Design and Installation
Section 503.1.1 — Vent Connector Design and Installation. 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] 503.10 Vent Connectors
Section 503.10 — 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] 503.2 Vent Connector Slope
Section 503.2 — Vent Connector Slope. 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] 503.2.1 Factory-Built Chimneys
Section 503.2.1 — Factory-Built Chimneys. 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] 503.3 Connector Size
Section 503.3 — Connector Size. 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] 503.3.1 Common Venting
Section 503.3.1 — Common 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] 503.4 Type B Vent Termination
Section 503.4 — Type B Vent Termination. 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] 503.5 Venting - Type B and BW Vents
Section 503.5 — Venting - Type B and BW Vents. 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] 503.6 Vent Connector Clearances
Section 503.6 — 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] 503.7 Venting - Mechanical Draft Systems
Section 503.7 — Venting - Mechanical Draft Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 503.8 Vent Connector Clearances
Section 503.8 — 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] 504.1 Draft Hood Requirements
Section 504.1 — Draft Hood Requirements. 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] 504.1.1 Direct Vent Appliances
Section 504.1.1 — Direct Vent Appliances. 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] 504.2 Vent Termination Heights
Section 504.2 — Vent Termination Heights. This section covers allowable building height, area, and number of stories based on construction type and occupancy. Refer to the official code text for complete requirements.
[F] 504.2.1 Multiple Appliance Venting
Section 504.2.1 — Multiple Appliance 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] 504.3 Vent Connector - Size
Section 504.3 — Vent Connector - Size. 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] 504.4 Chimney Height
Section 504.4 — Chimney Height. This section covers allowable building height, area, and number of stories based on construction type and occupancy. Refer to the official code text for complete requirements.
[F] 505.1 Direct-Vent Appliances
Section 505.1 — Direct-Vent Appliances. 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] 505.1.1 Mechanical Draft Systems
Section 505.1.1 — Mechanical Draft Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 505.2 Direct Vent Terminal Clearances
Section 505.2 — Direct Vent Terminal 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] 505.2.1 Induced Draft
Section 505.2.1 — Induced Draft. 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] 505.3 Direct Vent Terminations
Section 505.3 — Direct Vent Terminations. 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] 505.3.1 Forced Draft
Section 505.3.1 — Forced Draft. 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] 506.1 Mechanical Draft Systems
Section 506.1 — Mechanical Draft Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 506.2 Sidewall Termination
Section 506.2 — Sidewall Termination. 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] 506.3 Interlock and Safety Controls
Section 506.3 — Interlock and Safety Controls. 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] 507.1 Unvented Appliances
Section 507.1 — Unvented Appliances. 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] 507.2 Mechanical Draft Vent Systems
Section 507.2 — Mechanical Draft Vent Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 508.1 Common Venting
Section 508.1 — Common 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] 508.2 Vent System Supports and Clearances
Section 508.2 — Vent System Supports and 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] 508.3 Masonry Chimney Cleanout
Section 508.3 — Masonry Chimney Cleanout. 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] 509.1 Chimney Clearances
Section 509.1 — Chimney 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] 509.2 Category IV Venting
Section 509.2 — Category IV 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] 510.1 Mechanical Draft Systems
Section 510.1 — Mechanical Draft Systems. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 510.2 Connector Length
Section 510.2 — Connector Length. 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] 511.1 Vent Connected to Fireplace Flue
Section 511.1 — Vent Connected to Fireplace Flue. 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] 512.1 Single Appliance Venting
Section 512.1 — Single Appliance 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.