CFR›Title 10›Chapter II›Part 431›Subpart Z ContainsSections 431.481–431.485CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart Z—Dedicated-Purpose Pool Pump Motors Sections 431.481 § 431.481 Purpose and scope. 431.482 § 431.482 Materials incorporated by reference. 431.483 § 431.483 Definitions. 431.484 § 431.484 Test procedure. 431.485 § 431.485 Energy conservation standards. Source86 FR 40774, July 29, 2021, unless otherwise noted. Previous Y Subpart Y—Pumps