JABSCO MACERATOR PUMP SELF-PRIMING HEAVY DUTY RUN DRY 24V 12 GPM. The world's leading macerator pump now features a NEW sealed motor housing for total corrosion protection and redesigned blade for greater chopping performance. Has Run-Dry protection. Sensor provides a 16-20 second run-dry period to allow initial priming of pump. Detects the absence of fluid then shuts off pump before impeller is damaged. 12 gallons per minute. 4' vertical lift, 12 volt. 1-1/2" hose or 1-1/2" NPT and discharge port for 1" hose. - 11-3/8 LONG X 4-3/4 WIDE X 3-5/8 HIGH