Water heaters.

CFR · 2024-01-01 · US · Title 10

(a) (i) If the represented value is determined through testing, the general requirements of 10 CFR 429.11 are applicable; and (ii) For each basic model selected for testing, a sample of sufficient size shall be randomly selected and tested to ensure that— (A) Any represented value of the estimated annual operating cost or other measure of energy consumption of a basic model for which consumers would favor lower values shall be greater than or equal to the higher of: ( ( And (B) Any represented value of the uniform energy factor, or other measure of energy consumption of a basic model for which consumers would favor higher values shall be less than or equal to the lower of: ( ( And (C) Any represented value of the rated storage volume must be equal to the mean of the measured storage volumes of all the units within the sample. (D) Any represented value of first-hour rating or maximum gallons per minute (GPM) must be equal to the mean of the measured first-hour ratings or measured maximum GPM ratings, respectively, of all the units within the sample. (b) (2) Pursuant to 10 CFR 429.12(b)(13), a certification report shall include the following public, product-specific information: (i) For storage-type water heater basic models: The uniform energy factor (UEF, rounded to the nearest 0.01), the rated storage volume in gallons (rounded to the nearest 1 gal), the first-hour rating in gallons (gal, rounded to the nearest 1 gal), and the recovery efficiency in percent (%, rounded to th

official document · source cfr-2024 · id 10:§ 429.17