Self-Priming Washdown Pump Self-priming pump for cleansing boats, normal use, or use as a bath pump. Threaded male inlet and outlet for same old lawn hose attachment. Pumps 4 gallons according to minute, produces as much as 8.5 psi force. Corrosion-resistant ABS housing and impeller, heavy accountability 8-amp 12-volt D.C. motor. Note: Don’t run dry. Categories: Boat Plumbing, Boats & Equipment, Fishing, Fishing Watercraft & Trolling Motors, Shower Pumps & Sumps