972 GPH Shower Drain Pump 12V | Johnson Pump 57151 12 Volt pump is ideal for boat showers or as a sump pump for multiple drain lines. 12 Volt DC operation 972 GPH capacity straight 844 GPH capacity @ 3 feet head Incorporates Ultima switch technology to automatically turn the pump on when it detects the presence of water and shuts the pump off when the water drops below the switch level and has multiple inlet ports for handling waste water from more than one tapping point Equipped with a check valve on the outlet to prevent water from coming back into the collection box Collection box has a tight fitting lid to minimize splashing and odors Removable mesh filter can be cleaned as needed Replaceable motor cartridge and Ultima switch for convenient maintenance 3/4 in. outlet Inlet port sizes of 3/4 in., 1 in., 1 1/8 in., or 1 1/2 in. 3.4 amp draw 5 amp fuse size 11.42 in. length x 8.26 in.width x 5.75 in. height Replaces Jabsco 30296-2012 Replaces Johnson Pump 47151, 4715B