Showerheads.

CFR · 2024-01-01 · US · Title 10

(a) (2) For each basic model of a showerhead, a sample of sufficient size shall be randomly selected and tested to ensure that any represented value of water consumption of a basic model for which consumers favor lower values shall be greater than or equal to the higher of: (i) The mean of the sample, where: Or, (ii) The upper 95 percent confidence limit (UCL) of the true mean divided by 1.05, where: (b) (2) Pursuant to § 429.12(b)(13), a certification report shall include the following public product-specific information: The maximum water use in gallons per minute (gpm) rounded to the nearest 0.1 gallon, the maximum flow water pressure in pounds per square inch (psi), and a declaration that the showerhead meets the requirements of § 430.32(p) pertaining to mechanical retention of the flow-restricting insert, if applicable.

official document · source cfr-2024 · id 10:§ 429.29