LC Thomsen Centrifugal Pump. Model: 49904-GA. S/N: 3A33364. Capacity: 15 gpm @ 15 tdh. Impeller diameter: 3-7/8 in. Marathon Electric Motor, 1/2 and 1/3 hp, 1725/1425 rpm, 208-230/460-190/380 V, 2.0-2.0/1.0-2.0/1.0 amps, 60/50 Hz, 3 phase. Thomsen pumps are manufactured from type 316 stainless steel and polished to a sanitary finish. Backplates incorporate a ceRam Industriesic wear ring to reduce replacement costs. Inlets: (1) 2 in. dia. ACME fitting. Outlets: (1) 1 in. dia. ACME fitting. Overall dimensions: 15 in. L x 8-1/2 in. W x 9-1/2 in. H.