Adopts With Amendments
Chapter 26
Mechanical Systems
International Residential Code 2021
[F] 2601 General
Section 2601 — 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] 2601.1 Scope
Section 2601.1 — 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] 2601.1.1 Scope of General Plumbing Requirements
Section 2601.1.1 — Scope of General Plumbing Requirements. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 2601.1.2 Appliance Location
Section 2601.1.2 — 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] 2601.1.3 Combustion Air
Section 2601.1.3 — 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] 2601.1.4 Clearance to Combustibles
Section 2601.1.4 — Clearance to Combustibles. 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] 2601.2.1 General Plumbing Requirements Scope
Section 2601.2.1 — General Plumbing Requirements 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] 2602 Individual Water Supply
Section 2602 — Individual Water Supply. 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] 2602.1 Indoor Combustion Air
Section 2602.1 — 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] 2602.1.1 Fixture Materials
Section 2602.1.1 — Fixture 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] 2602.2 Freezing
Section 2602.2 — Freezing. 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] 2602.3 Trenching and backfilling
Section 2602.3 — Trenching and backfilling. 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] 2603 Individual Sewage Disposal
Section 2603 — Individual Sewage Disposal. 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] 2603.1 Support
Section 2603.1 — Support. 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] 2603.1.1 Water Closet Standards
Section 2603.1.1 — Water Closet Standards. 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] 2603.2 Where fixtures are required
Section 2603.2 — Where fixtures are 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] 2603.3 Fixture clearances
Section 2603.3 — Fixture 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] 2603.4 Fixture connections
Section 2603.4 — Fixture 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] 2603.5 Access to connections
Section 2603.5 — Access to 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] 2604 Materials – General
Section 2604 — Materials – General. 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] 2604.1 Protection of Pipes
Section 2604.1 — Protection of Pipes. 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] 2605.1 Support of Piping
Section 2605.1 — Support of Piping. 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] 2606.1 Waterproofing of Openings
Section 2606.1 — Waterproofing of Openings. 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] E3601.1 Branch Circuits General
Section E3601.1 — Branch Circuits General. 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] E3602.1 Branch-Circuit Ratings
Section E3602.1 — Branch-Circuit Ratings. 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] E3602.2 Small Appliance Branch Circuits
Section E3602.2 — Small Appliance Branch Circuits. 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] E3602.3 Laundry Branch Circuit
Section E3602.3 — Laundry Branch Circuit. 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] E3602.4 Bathroom Branch Circuit
Section E3602.4 — Bathroom Branch Circuit. 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] G2401.1 Fuel Gas - General
Section G2401.1 — Fuel Gas - General. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] G2404.1 Fuel Gas Piping Installation
Section G2404.1 — Fuel Gas Piping Installation. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] G2404.3 Prohibited Locations
Section G2404.3 — Prohibited Locations. 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] G2404.4 Piping in Solid Floors
Section G2404.4 — Piping in Solid Floors. 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] G2404.6 Protection Against Physical Damage
Section G2404.6 — Protection Against Physical Damage. 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] G2412.1 Gas Piping Materials
Section G2412.1 — Gas 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] G2414.1 Gas Pipe Sizing
Section G2414.1 — Gas Pipe Sizing. 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] G2415.1 Gas Pipe Connections
Section G2415.1 — Gas Pipe Connections. 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] G2417.1 Gas Pipe Testing
Section G2417.1 — Gas Pipe Testing. 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] G2417.4 Test Pressure Measurement
Section G2417.4 — Test Pressure Measurement. 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] G2418.1 Gas Shutoff Valves
Section G2418.1 — Gas Shutoff Valves. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] G2420.1 Gas Appliance Connections
Section G2420.1 — Gas Appliance Connections. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] G2422.1 Gas Appliance Location
Section G2422.1 — Gas Appliance Location. This section covers fuel gas piping and equipment requirements. Refer to the official code text for complete requirements.
[F] G2425.1 Venting of Appliances
Section G2425.1 — Venting of 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] G2427.1 Vent Sizing
Section G2427.1 — Vent Sizing. 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] P2601.1 Water Supply Scope
Section P2601.1 — Water Supply 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] P2601.1.1 General Plumbing Requirements
Section P2601.1.1 — General Plumbing Requirements. 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] P2601.2 Connections to Public Systems
Section P2601.2 — Connections to Public 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] P2601.3 Prohibited Locations
Section P2601.3 — Prohibited Locations. 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] P2602.1 Individual Water Supply
Section P2602.1 — Individual Water Supply. 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] P2602.2 Air Gap Required
Section P2602.2 — Air Gap 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] P2603.1 Pipe Protection
Section P2603.1 — Pipe Protection. 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] P2603.2 Protection Against Corrosion
Section P2603.2 — Protection Against Corrosion. 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] P2603.3 Piping Protection Against Corrosion
Section P2603.3 — Piping Protection Against Corrosion. 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] P2603.5 Pipes Through Foundation Walls
Section P2603.5 — Pipes Through Foundation Walls. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] P2604.1 Trenching and Backfilling
Section P2604.1 — Trenching and Backfilling. 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] P2605.1 Support
Section P2605.1 — Support. 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] P2605.2 Protection Against Physical Damage
Section P2605.2 — Protection Against Physical Damage. 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] P2605.3 Freezing Protection
Section P2605.3 — Freezing Protection. 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] P2606.1 Trenching and Backfill
Section P2606.1 — Trenching and Backfill. 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] P2606.2 Minimum Burial Depth
Section P2606.2 — Minimum Burial Depth. 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] P2607.1 Workmanship
Section P2607.1 — Workmanship. 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] P2607.2 Prohibited Joints
Section P2607.2 — Prohibited Joints. 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] P2608.1 Testing Required
Section P2608.1 — Testing 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] P2608.2 Test Methods
Section P2608.2 — Test Methods. 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] P2701.1 Plumbing Fixture Scope
Section P2701.1 — Plumbing Fixture 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] P2702.1 Fixture Standards
Section P2702.1 — Fixture 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] P2705.1 General Fixture Installation
Section P2705.1 — General Fixture 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] P3201.1 Scope - IRC Traps
Section P3201.1 — Scope - IRC Traps. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] P3201.2 Trap Required
Section P3201.2 — Trap 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] R2601.1 General Plumbing Provisions
Section R2601.1 — General Plumbing Provisions. 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] R2602.1 Individual Water Supply
Section R2602.1 — Individual Water Supply. 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] R2602.2 Water Closet Requirements
Section R2602.2 — Water Closet Requirements. 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] R2602.3 Lavatory Requirements
Section R2602.3 — Lavatory 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] R2602.4 Shower Requirements
Section R2602.4 — Shower 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.