Shore Assist Systems 110 & 220 Volt Water Cooled Condensing units in Cabinet SA1 SA2 SA3 SA3.5 SA4 SA5 HorsePower 1/8 1/4 3/8 3/8 1/2 1/2 Voltage 110 220 110 220 110 220 110 220 110 220 110 220 Amp Draw (Run) 2 .9 4.00 1.5 5.5 2.75 5.6 2.6 7 4 7 3 Locked Rotor 14.2 5.1 30 10.3 42 15 42 15 42 19 53 19 Cooling Water Cooled Water Cooled Water Cooled Water Cooled Water Cooled Water Cooled Refrigerant 134a 134a 134a 404a 404a 134a Condensing Unit Weight 30 lbs 36 lbs 38 lbs 41 lbs 57 lbs 57 lbs Height 16″ 16″ 16″ 16″ 16″ 16″ Width 16″ 16″ 16″ 16″ 16″ 16″ Depth 8-1/2″ 8-1/2″ 8-1/2″ 8-1/2″ 8-1/2″ 8-1/2″ Condensing Units are also available as a low profile flat water-cooled only with a remote electrical panel.