1994 RVS Vertical Ammonia Recirculator. Approximate capacity: 1,500 gallons. Inside straight-wall dimensions: 60 in. dia. x 12 ft. H. Refrigerant: R-717 (Ammonia). MAWP: 250 psi at 300°F. MDMT: - 40°F at 100 psi. Radius: 2:1 elliptical ends. Inlets: (1) 10 in. dia. port (suction in), (1) 2 in. dia. port (makeup liquid), (1) 3 in. dia. port (liquid feed). Outlets: (1) 8 in. dia. port (suction out), (2) 3/4 in. dia. ports (vents), (1) 6 in. dia. port (pump suction). Control panel with (9) push buttons and (6) switches. Panel dimensions: 2 ft. L x 11 in. W x 1 ft. 5 in. H. Hoffman control panel. Cat No: A-1212CH. Panel dimensions: 1 ft. 1 in. L x 6-1/2 in. W x 1 ft. 4 in. H. Overall dimensions: 6 ft. 8 in. L x 6 ft. 6 ft. W x 17 ft. H.