ALL COMPONENTS SOLD SEPARATELY. Rear discharge toilet and macerating pump system allows for an additional bathroom in a location with no plumbing connections. Macerator pump specifications 18-1/2 in (450 mm) W x 11-1/2 in (270 mm) H x 7 in (175 mm), gpm Max 60 (227 L), 0.8 hp, 8 A at 120 V, 600 W, 2..