Morris & Associates Water Chiller. Model: WRC-RA-2000HSS. Rated capacity: 85 Tons. Tube material: 304 stainless steel. Number of passes: 9 per circuit. There are two, separate circuits for water. Heat transfer surface area: 282 sq. ft. Tube volume: 132 gallons. Tube dimensions 3 in. dia. x 20 ft. MAWP: 150 PSI @ 200ºF, Head thickness: 0.375 in. Inlets: (1) 3 in. dia. S-line fittings, (1) 1 in. dia. port. Outlets: (1) 3 in. dia. S-line fitting, (3) 2 in. dia. ports, (1) 1 in. dia. port. Overall dimensions: 21 ft. 6 in. L x 2 ft. 8 in. W x 4 ft. 7 in. H.