Johnson Pump Pumps Rapid Rogue Ballast Pumps 30Gpm. This can be a retrofit with 1-1/2" Hose. This pump has dry run Impeller. This pump built in thermal Overhead Protection: Automatic reset after cooling down. Features of Johnson Pump 10-24939-18 Pumps Rapid Rogue Ballast Pumps 30Gpm Dry run impeller Resets automatically after cool down 30 Gallons per minute 1-1/2" hose may be attached Package Contents: Johnson Pump 10-24939-18 Pumps Rapid Rogue Ballast Pumps 30Gpm Johnson Pump 10-24939-18: Pumps Rapid Rogue Ballast Pumps 30Gpm