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§ Chapter 28 IRC 2024

Water Heaters

8 entries from Chapter 28 of IRC 2024, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.

ED IRC 2018 ED IRC 2021 ED IRC 2024
§ 01   Sections

All 8 entries.

Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.

IRC 2024 Tankless Water Heater: Venting, Gas Supply, and Flow Rate Requirements
P2801
What does IRC 2024 require for tankless water heater installation?
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IRC 2024 Water Heater Efficiency: UEF Ratings and DOE Minimum Standards
P2801
What efficiency ratings does IRC 2024 require for residential water heaters?
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IRC 2024 Water Heater Replacement: Permit Required in Most Jurisdictions
P2801
Do I need a permit to replace a water heater under IRC 2024?
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IRC 2024 Water Heater Sizing: First-Hour Rating vs Recovery Rate
P2801
How do you size a water heater for a residential home under IRC 2024?
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IRC 2024 Water Heater in Garage: 18-Inch Elevation Requirement for Gas Units
P2801.5
What does IRC 2024 require for water heaters installed in a garage?
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IRC 2024 T&P Relief Valve: Installation and Discharge Pipe Requirements
P2803
What does IRC 2024 require for temperature and pressure relief valves on water heaters?
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IRC 2024 Water Heater Venting: Category I vs Category IV and Common Venting Rules
P2803
What type of venting does IRC 2024 require for gas water heaters?
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IRC 2024 Water Heater Temperature: 120°F Default with Legionella Considerations
P2804.1
What temperature does IRC 2024 require for residential water heaters?
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§ 02   Chapter navigation