Amarine Made 12v Water Pressure Pump 17 L/m 4.5gpm 40psi Motor Home/Caravan/Boat Maximum torque and operating efficiency Higher operating pressure and/or lower amperage than competitive pumps Long life, no leaks Low noise; acid, alkali and corrosion resistant Run dry with no problem Thermal overload protection automatically stops motor should it overhear due to overload, with auto re-start feature