Waukesha Positive Displacement Pump. Model: 100. Flow rate for new pump is 110 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Inlets/outlets: (2) 2 in. dia. ACME fittings. Overall dimensions: 1 ft. 4 in. L x 11 in. W x 1 ft. 2 in. H.(ACN83a).