UL 428A

Standard for Electrically Operated Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 – E85)
standard by Underwriters Laboratories, 06/04/2015

UL 60730-2-7

Standard for Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Timers and Time Switches
standard by Underwriters Laboratories, 03/21/2014