SEAFLO 24V DC 2.8 GPM 45PSI 33-Series Diaphragm Water Pressure Pump for Marine Boat RV Caravan On-demand, automatic water pump for small boats, campers and vans Built-in 45 PSI(3.1 BAR) pressure switch for automatic stop/start Self-priming allows it to be mounted above tank; able to run dry Built-in thermal protector; 1/2"-14 MNPT Ports; 2-Pin/Leads Wire Connections 2.8 gallons per minute (10.6 liters per minute); 3.5 Max Amps