On-demand, automatic water pump for small boats, campers, and Built-in 40 PSI pressure switch for automatic stop/startSelf-priming--allows it to be mounted above tank; able to run dryBuilt-in thermal protector; 3/8-inch hose barb ports10 Gallons per minute (38 Litres per minute)Compact design Heavy-duty demand switch Can run dry Quiet operation Industry standard mount pattern Typical Applications :Marine/RV Water Treatment/Ro Beverage/Food Service Distillation Equipment Agricultural Spraying General Industrial Automotive PUMP Type :2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry Max Recommended Temperature 110 Fahrenheit (43 Celsius) Max. Priming Capabilities 4 feet (12 m) suction lift Max Pressure 40PSI (28bar) Inlet/Outlet Ports 3/8" hose barb Weight 125 lbs (057 kg) MOTOR Duty Cycle Intermittent Leads 18 AWG, 1378" long with 2-Pin connector/Leads Voltage 12v/24vPackage content:1 x Water Pressure Diaphragm PumpNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.