Completely assembled and water tested salt water washdown system provides pressurized water on demand. For deck, anchor wash, or both. Features permanent magnet ball bearing motor, SPO-60-N vane pump, P-9021 in-line check valve and PGN-50 salt water nozzle. Coupled to combination check valve/pressure switch assembly. Mounted on a ready to install platform. Use PST-1 pressure storage tank to reduce pump cycling. PSI range is 15-35. Size: 9-1/2" L x 6-1/2" W x 4-3/4" H.