Prime-assist pump

means a pump that:

(A) Is designed to lift liquid that originates below the centerline of the pump inlet;

(B) Requires no manual intervention to prime or re-prime from a dry-start condition; and

(C) Includes a device, such as a vacuum pump or air compressor and venturi eductor, to remove air from the suction line in order to automatically perform the prime or re-prime function at any point during the pump's operating cycle.