Marley Aquatower Cooling Tower- 28 Ton. Model: 492B. S/N: 106462-1/B22150A/4832. Belt size: A112. Cooling capability: approx. 92 gpm. Reliance Electric Fan Motor, 2 hp, 1730 rpm, 230/460 V, 6.4/3.2 amps, 60 Hz. G-235 galvanized steel per ASTM A-653. Its simple design allows for easy maintenance. Fan diameter: 35 in. Inlets: (1) 7-3/4 in. diameter port. Outlets: (1) 5 in. diameter NPT (male), (1) 2 in. diameter NPT (female, tower discharge). Overall dimensions: 50 in. L x 48 in. W x 85 in. H.