Used 1989 Vilter Shell and Tube Heat Exchanger. S/N F39124-1. Accumulator (Upper Tube, Dimensions 16 in. Diameter x 216 in. Long. Lower Tube, Dimensions 16 in. Diameter x 278 in. Long. Heat Exchanger Specifications: Shell Side Maximum Design Pressure 250 psi at 200 °F, Minimum Design Metal Temperature -20 °F at 250 psi, Tube Side Maximum Design Pressure 100 psi at 200 °F, Minimum Design Metal Temperature -20 °F at 100 psi. Unit has (77) 1 in. Diameter Tubes; Has (7) Open/Shut Valves. Inlets/Outlets: (1) 1/4 in. (1) 3/8 in. (2) 1/2 in. (1) 1 in. (2) 3 in. (1) 4 in. (2) Float Switches Type LL. Mfg: Parker. Float Switch Details: For uses with NH3, Refrigerant-12, Refrigerant-22, Refrigerant-502, 120 Vac, 10 Amps, 240 Vac, 10 Amps, 240 Vac Pilot Duty, Maximum Temperature 65 °C (150 °F). Overall Dimensions: 32 in. W x 286 in. L x 90 in. H.