Co-molded diaphragm technology for long life and durability HD model featuring heavy duty, motor and cast aluminum lower housing which allow for long-life, even at high pressuresEfficient and quiet operationIntegrated, sealed pressure switch for on-demand operationSelf-priming allows for installation versatilityRuns Dry Without DamageSelf-PrimingQuick connect ports for ease of installation, servicing, and maintenanceVibration dampening mounting feetEquipped with integrated bypass module to reduce cycling and provide smoother flowQuick Connect Strainer included