10 CFR §431.266

1. (a)Commercial prerinse spray valves manufactured on or after January 1, 2006 and before January 28, 2019, shall have a flow rate of not more than 1.6 gallons per minute. For the purposes of this standard, a commercial prerinse spray valve is a handheld device designed and marketed for use with commercial dishwashing and ware washing equipment that sprays water on dishes, flatware, and other food service items for the purpose of removing food residue before cleaning the items.
2. (b)Commercial prerinse spray valves manufactured on or after January 28, 2019 shall have a flow rate that does not exceed the following:
   1. (1)For the purposes of this standard, the definition of commercial prerinse spray valve in § 431.262 applies.
   2. (2)[Reserved]