Bell & Gossett 1510 Series Centrifugal Pump. Model: 4BC. Capacity: 750 gpm @ 70 TFH. MAWP: 175 psi. (1) 9-1/2 in. dia. impeller. Uses: Hydronic heating and cooling systems, general service and industrial. Lincoln Electric Motor, 20 hp, 1750 rpm, 200/400 V, 57.0/28.5 amps, 60 Hz, 3 phase. Inlets: (1) 10-1/4 in. flange with (8) 3/4 in. bolt holes and (1) 5 in. suction port. Outlets: (1) 9 in. flange with (8) 1/2 in. bolt holes and (1) 4 in. discharge port. Overall dimensions: 3 ft. 10 in. L x 1 ft. 9-1/2 in. W x 1 ft. 10-1/4 in. H. (ACN40)