Balboa/Vico 1215158 Wet End, BWG Vico Ultima 0.75hp 1-1/2"mbt 48fr, Center DishVico/Balboa Water Group Ultima Wet End BWG Ultima series high performance pumps (Formerly known as Vico®) come in many different styles and HP's. They are found throughout the industry and are used by many different spa manufacturers. This center discharge, 1-1/2"mbt, 48 frame wet end is used with a 3/4hp thru-bolt style motor. The motor used may be either a single or dual speed. The complete wet end includes: the volute, seal, impeller, wear ring, volute o-ring, seal plate and bolts and nuts. Motor and unions sold separately.