Smart HO Emperor Aquatics 50W, 80W & 120W UV Sterilizer Power Supply Replacement Emperor Aquatics Smart HO 50W, 80W & 120W UV Sterilizer Power Supply For 110V units only. This Power Supply replaces all other power supplies for the 110V 50W Smart HO, 80W Smart HO and 120W Smart HO Emperor UV Sterilizers Emperor part# 20105-MV