This industrial-grade pump is suitable for fresh or saltwater operation, is self-priming to 6 feet, and provides up to 7 gpm of water flow in the 20 - 40 psi pressure range. This is substantially more than the 2 - 4 gpm of ordinary marine pressure systems. Can provide saltwater washdown to one or more locations UL listed and CE certified for use aboard gasoline or diesel powered boats On/Off operation is controlled by a waterproof, ignition protected pressure switch located at the pressure storage tank Patented Noflo dry-tank protection suspends pump operation if the water supply is interrupted Includes inlet strainer and oil-filled pressure gauge PJR does not include pressure storage tank - see entry for Groco PST accumulator tanks Dimensions: 10.22"L x 8.92"W x 8.61"H Weight: 20 lb