The IAPMO Standards Council on June 12 issued one Tentative Interim Amendment and rejected another affecting the 2015 edition of the Uniform Plumbing Code (UPC®). TIA UPC-004-15 revises some values in UPC Table 501.1(1) pertaining to water heater first hour ratings. The rejected TIA UPC-003-15 proposed new language be added to Section 710.6 Backwater Valves in the 2015 UPC. Read the full release here.
