Current through Register Vol. 48, No. 11, November 22, 2024
Section 8-1229 - IRC M1411.6 Insulation of refrigerant pipingPipings 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.
Adopted by State Register Volume 40, Issue No. 06, eff. 6/24/2016; State Register Volume 43, Issue No. 05, eff. 5/24/2019; State Register Volume 44, Issue No. 06, eff. 6/26/2020; State Register Volume 46, Issue No. 05, eff. 5/27/2022.