Adopts With Amendments
Chapter 5
Water Heaters
International Plumbing Code 2021
[F] 501 General Water Heater Requirements
Section 501 — General Water Heater 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] 501.1 Water Heater Scope
Section 501.1 — Water Heater 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 Water Heater General
Section 501.1.1 — Water Heater General. 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] 501.2 General Fixture Requirements
Section 501.2 — General Fixture 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] 501.2.1 Water Heater Installation Scope
Section 501.2.1 — Water Heater Installation 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] 501.3 Water Heater Safety Devices
Section 501.3 — Water Heater Safety Devices. 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] 501.3.1 Water Heater Access
Section 501.3.1 — Water Heater Access. 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] 501.4 Water Heater Location
Section 501.4 — Water Heater Location. 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] 501.5 Water Temperature Control
Section 501.5 — Water Temperature Control. 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] 501.6 Water Heater Labeling
Section 501.6 — Water Heater Labeling. 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] 501.7 T&P Relief Valve Discharge
Section 501.7 — T&P Relief Valve Discharge. 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 Water Heater Thermal Expansion
Section 501.8 — Water Heater Thermal Expansion. 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] 502.1 Water Heater Connections
Section 502.1 — Water Heater 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] 502.1.1 Water Heater Installation Requirements
Section 502.1.1 — Water Heater Installation 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] 502.1.2 Temperature Controls
Section 502.1.2 — Temperature 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] 502.1.3 Drain Pan Requirements
Section 502.1.3 — Drain Pan 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] 502.1.4 Seismic Restraint
Section 502.1.4 — Seismic Restraint. 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 Water Heater Installation
Section 502.2 — Water Heater Installation. 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] 502.2.1 Relief Valve Discharge
Section 502.2.1 — Relief Valve Discharge. 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 Elevation of Ignition Source
Section 502.3 — Elevation of Ignition Source. 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 Thermal Expansion Control
Section 502.3.1 — Thermal Expansion Control. This section addresses energy conservation requirements including thermal performance and building envelope specifications. Refer to the official code text for complete requirements.
[F] 502.4 Platform Installation
Section 502.4 — Platform 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] 502.4.1 Drain Valve
Section 502.4.1 — Drain Valve. 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] 502.5 T&P Discharge Requirements
Section 502.5 — T&P Discharge 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] 503.1 Temperature and Pressure Relief Valves
Section 503.1 — Temperature and Pressure Relief Valves. 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 Temperature and Pressure Relief Valves
Section 503.1.1 — Temperature and Pressure Relief Valves. 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 Temperature Setting
Section 503.2 — Temperature Setting. 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 Relief Valve Requirements
Section 503.3 — Relief Valve 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] 503.4 Required Pan
Section 503.4 — Required Pan. 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 Temperature and Pressure Relief Valves
Section 504 — Temperature and Pressure Relief Valves. 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 Safety Devices Required
Section 504.1 — Safety Devices 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] 504.1.1 Relief Valve Discharge
Section 504.1.1 — Relief Valve Discharge. 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 Hot Water Temperature at Public Lavatories
Section 504.2 — Hot Water Temperature at Public Lavatories. 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] 504.3 Relief Valve Discharge Requirements
Section 504.3 — Relief Valve Discharge 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] 504.4 Temperature and Pressure Relief Valves
Section 504.4 — Temperature and Pressure Relief Valves. 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] 504.6 Requirements for Discharge Piping
Section 504.6 — Requirements for Discharge 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] 505.1 Unfired Vessel Insulation
Section 505.1 — Unfired Vessel Insulation. 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] 505.1.1 Point-of-Use Heaters
Section 505.1.1 — Point-of-Use Heaters. This section establishes occupancy classification and use requirements that determine applicable building code provisions. Refer to the official code text for complete requirements.
[F] 505.2 Thermal Expansion Control
Section 505.2 — Thermal Expansion Control. This section addresses energy conservation requirements including thermal performance and building envelope specifications. Refer to the official code text for complete requirements.
[F] 506.1 Tankless Water Heaters
Section 506.1 — Tankless Water Heaters. 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] 507.1 Tankless Water Heaters
Section 507.1 — Tankless Water Heaters. 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] P2901.1 Water Supply General
Section P2901.1 — Water Supply General. 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] P2902.1 Backflow Protection General
Section P2902.1 — Backflow Protection 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.