This fully assembled pressure set includes a pump, strainer and pre-pressurized accumulator tank rubber mounted on a board. Serves 3 or more 1/2" outlets, is self-priming up to 10' and is suitable for vertical or horizontal installation. Quadruple diaphragm design for smooth, quiet operation is also capable of extended dry running. Motor is thermal overload protected and complies with USCG 183.410 and ISO 8846 marine ignition protection. Includes 1/2" hose barb and 1/2" QEST fittings. 15 1/2" L x 15 3/4" W x 5 1/2" H.