Waukesha 15 Positive Displacement Pump. S/N: 10789 SS. Displacement per revolution: 0.0142 gal. Nominal capacity: 9 gpm. Maximum speed: 700 rpm. A-3 sanitary rated. Easy cleaning and disassembly. Flexible, three-way mounting. Exclusive, non-galling Waukesha "88" alloy rotors. Inlets/outlets: (2) 1 in. dia. S-line fittings. Overall dimensions: 12 in. L x 7 in. W x 8-1/2 in. H.