ONTARIO, CA — The IAPMO Standards Council on Dec. 18 issued one tentative interim amendment (TIA) affecting the 2021 edition of the Uniform Plumbing Code (UPC ®). TIA UPC 001-21 added text in UPC ...
TIA UPC 004-15 would revise some values in UPC Table 501.1(1) pertaining to water heater capacity ratings. The deadline to submit a comment is May 12. ONTARIO, CALIF. — IAPMO, in accordance with its ...
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