ASME A112.3.4 pdf download Plumbing fixtures with pumped waste and macerating toilet systems 1 Scope 1.1 This Standard establishes physical, performance, and testing requirements applicable to plumbing fixtureswith pumped waste, macerating toilet systems, and related components. Such systems are intended tocollect waste from a single fixture such as a water closet, lavatory, shower, or bathtub and pump thesewastes to some...