Plumbing · IPC 2021 §502.3
Water Heater Attic Passageway and Service Space
Attic water heater access: 30 in high by 22 in wide passageway up to 20 ft long, 24 in wide solid flooring, a 30 in by 30 in level service space, and a 20 in by 30 in opening.. Referenced to IPC 2021 §502.3.
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