Sensor Max VSD PumpsFeatures:Self-priming from dry up to 2.4m (7.8ft)Variable Speed ControlSolid State Pressure SensorNearly Silent Operation / No CyclingControls Pressure by Changing Motor SpeedSpeeds up as demand increasesSelf-priming / runs dryNo accumulator tank neededCSA listed / EN ISO 8846 Marine / C.E. CertifiedProtected under U.S. Patent #6607360Includes Inlet Strainer35 PSI Cut-OutProduct : JABSCO SENSOR MAX 17 VARIABLE SPEED WATER PUMP 4.5 GPM Manufacturer : JABSCO Manufacturer Part No : 31755-0000 UPC : 671880534581