Very quiet flush cycle - like a household toilet Single button flush actuator - with dual function water level control switch White vitreous china compact bowl. Baked enamel seat & cover High capacity waste macerator and bowl discharge pump 37045 Series - Freshwater: 12V. Supplied with water control solenoid valve with anti-siphon breaker to prevent contamination of potable water supply. For connection to any existing pressurized water pump with a flow rate of 3.5 gpm or more. Inlet 3/4" Hose Barb. Outlet 1" Hose Barb. 37245 Series - 17 5/8"L x 13 7/8"W x 13 3/4"H.