scope:

This Standard shall govern the construction, general requirements, test methods, and marking for whirlpool bathtub appliances that incorporate a bathtub, a circulation pump, and a piping system, with or without the introduction of air, either by integral suction or air pump. Optional accessories for such whirlpool bathtub appliances shall be permitted to be provided in the factory or field, provided that such accessories do not negate the performance of whirlpool bathtub appliances designed to comply with this Standard.