§ Chapter 23 IRC 2021
Solar Thermal Energy Systems
6 entries from Chapter 23 of IRC 2021, organized by section number. Each entry covers what the code requires, why it exists, what inspectors look for, and common mistakes.
§ 01 Sections
All 6 entries.
Sorted by section number. Click any row for the full entry — answer, requirements, edition diff, related sections.
Section
Title
Question
M2301.1
Solar Thermal Collectors Must Be Listed and Installed as Designed
M2301.1
Does a solar thermal collector need to be listed and installed per instructions?
Does a solar thermal collector need to be listed and installed per instructions?
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M2301.2
Solar Thermal Systems Need Reliable Freeze Protection
M2301.2
How do solar hot-water systems protect against freezing?
How do solar hot-water systems protect against freezing?
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M2301.3
Solar Thermal Equipment Must Match Temperature, Pressure, and Fluid Conditions
M2301.3
What equipment is required for solar thermal piping and storage tanks?
What equipment is required for solar thermal piping and storage tanks?
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M2301.3
Solar Thermal Systems Need Relief Devices and Temperature Controls
M2301.3
Does a solar thermal system need pressure relief or temperature controls?
Does a solar thermal system need pressure relief or temperature controls?
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M2302.1
Solar Thermal Roof Collectors Need Structural and Weatherproof Installation
M2302.1
Can solar collectors be mounted on any roof?
Can solar collectors be mounted on any roof?
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M2303.1
Solar Thermal Piping Through Attics and Walls Needs Protection
M2303.1
Can solar thermal piping run through an attic or exterior wall?
Can solar thermal piping run through an attic or exterior wall?
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