South Carolina Code of Regulations
Chapter 8 - BUILDING CODES COUNCIL
Article 12 - INTERNATIONAL RESIDENTIAL CODE
Section 8-1229 - IRC M1411.6 Insulation of refrigerant piping

Universal Citation: SC Code Regs 8-1229
Current through Register Vol. 48, No. 9, September 27, 2024

Pipings and fittings for refrigerant vapor (suction) lines shall be insulated with insulation having a thermal resistivity of at least R2.5 hr. ft2 F/Btu and having external surface permeance not exceeding 0.05 perm [2.87ng/(s x m2 x Pa)] when tested in accordance with ASTM E96.

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