Used 416 Square Feet Rubicon Ind. Corp. Shell & Tube Horizontal Heat Exchanger, U-Tube type, model # VS18BU4-192H, carbon steel shell rated for: FV & 100 PSI @ 300 Deg. F., stainless steel tubes rated for: 100 PSI @ 200 Deg. F., Dimensions approximately 18" dia. x 20' O.A.L. Serial #1746-1, National Board #903, Year Built: 1989