These single-button flush marine toilets offer outstanding convenience.Quiet Flush heads feature a very quiet flush cycle just like your household toilet. Two models are offered: Freshwater flush 37045-series models can be plumbed to any pressurized water system that can provide a 31/2 gpm flow rate. These models include a water control solenoid valve with anti-siphon breaker to prevent contamination of potable water supply. They also include a 6' hose for connection to the remote mounted solenoid valve and a siphon-breaker assembly. Raw water flush 37245-series models draw water from an external source for flushing. Both models include a single button flush actuator with a dual-function water level control switch and both incorporate a powerful waste water evacuation pump with built-in macerator.Key FeaturesVery quiet flushSingle button flush actuator, with dual-function water level control switchHigh-capacity waste macerator and waste discharge pumpCompact or household size availableChoice of raw water or freshwater flushSpecifications Type: Electric Material: White vitreous china bowl; Baked enamel seat & cover Port Sizes: 3/4" Hose Barb intake, 1" Hose Barb discharge Dimensions: 13 3/4"H x 14"W x 17 1/2"D Draw: 10A @12V DC, 5A @ 24V DC Water Consumption: 1-2 Quarts (Litres) per Flush Warranty: One yearFor detailed dimensions and installation of the freshwater flush models, see the 37045-Series Owner's Manual.For detailed dimensions and installation of the raw water flush models, see the 37245-Series Owner's Manual.