InSinkerator AS101K-8 AquaSaver® control center AS-101, senses waste loads, automatically delivering only the water necessary for efficient use, automatic reverse with start/stop push buttons, NEMA 4 stainless steel enclosure, for SS-50 to SS-1000 disposers, 380-460v/50/60/3-ph, disposers, cULus (replaces AS101K-4)