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Council accepts petitions to revise A2L refrigerant rules; refers 2024-mechanical petition to MVPE committee
Summary
Two petitions seeking code wording changes for A2L (mildly flammable) refrigerants were introduced; petitioner Eric Vandermee asked the council to align Washington’s emergency language with recent ASHRAE addenda and the council referred the 2024‑code petition to the MVPE committee for further review.
The State Building Code Council on Sept. 26 received two petitions from Eric Vandermee asking the council to update emergency rules and the 2024 mechanical code to reflect recent ASHRAE 15 addenda and related test/installation standards for A2L refrigerants.
Vandermee, representing Delta‑E Consulting, told the council the petitions “are essentially putting us in alignment with nationally recognized standards” and that the revisions add exceptions and clarifications that would let properly tested refrigerant piping be routed…
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