§ 431.485. Energy conservation standards.
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/us/cfr/t10/s§ 431.485·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)For the purpose of paragraphs (b),
(c)and
(d)of this section, “THP” means dedicated-purpose-pool pump motor total horsepower.
(b)Each dedicated-purpose pool pump motor manufactured starting on September 29, 2025, with a THP less than 0.5 THP, must have a full-load efficiency that is not less than 69 percent.
(c)Each dedicated-purpose pool pump motor manufactured starting on the dates provided in table 1 to this paragraph
(c)with a THP greater than or equal to 0.5 THP must be a variable speed control dedicated-purpose pool pump motor, and must follow the requirements in paragraph
(d)of this section. Table 1 to Paragraph
(c)Equipment class Compliance date Small-size (0.5 ≤ THP <1.15)September 28, 2027. Standard-size (1.15 ≤ THP ≤ 5)September 29, 2025.
(d)All dedicated-purpose pool pump motors with a THP greater than or equal to 0.5 THP and distributed in commerce with freeze protection controls, must be shipped with freeze protection disabled or with the following user-adjustable settings:
(1)The default dry-bulb air temperature setting is no greater than 40 °F;
(2)The default run time setting shall be no greater than 1 hour (before the temperature is rechecked); and
(3)The default motor speed (in revolutions per minute, or rpm) in freeze protection mode shall not be more than half of the maximum operating speed. [88 FR 67041, Sept. 28, 2023]