(2) 1994 Standard Refrigeration Co. Heat Exchangers. Model: FSX15-1. S/N's: 328993 and 328995. Tube material: copper. Number of passes: 2. Number of tubes: 34. Tube dimensions: 1/2 in. dia. x 6 ft. 3 in. L. Heat transfer surface area: approx. 27.80. Tube volume: 2 gal. Tube side MAWP: 225 psi @ 150°F, MDMT: -20°F @ 225 psi. Shell side MAWP: 150 psi @ 150°F, MDMT: -20°F @ 150 psi. (2) Bell & Gossett Triple Duty Valves, Model: 3DX-1 1/2, P/N: 132074, Max pressure: 175 psi, max temp: 250°F. Inlets: (1) 1/2 in. dia. copper refrigerant feed port, (1) 1-1/2 in. dia. liquid feed port. Outlets: (1) 1 in. dia. copper refrigerant discharge port, (1) 1-1/2 in. dia. liquid discharge port. Overall dimensions: 8 ft. 3 in. L x 3 ft. W x 6 ft. 4 in. H.(H12).