Waukesha Positive Displacement Pump. Model: 60. Flow rate for new pump is 90 gpm with required horsepower and pressure. Features include: easy cleaning and disassembly, flexible mounting, non-galling Waukesha “88” alloy rotors and 3-A and BISCC approval. *Note: this unit has worn rotors/housing and will not give factory-new performance. Inlets / outlets: (2) 2-1/2 in. dia. S-line fittings. (ACN70).