Used approx 30 sq.ft. vertical shell & tube heat exchanger, Mfg. by Monticello Tank Inc. 316L stainless steel shell rated for 100 PSI @ 450 Deg. F., Approx 8" dia x 83" OAL. (32) .75" dia 316L stainless steel tubes rated for 100 PSI @ 450 Deg. F. Shell diameter 8.625" O.D., Passes: Shell-1, Tubes-2. Nozzles: Shell (2) 1", Tubes 4" in, 1" out. TEMA BEM-8-60. Serial #T101805F, National Board #5013, Year Built: 1990, Previous Service: Product Col. Vent Condenser - Multi-purpose, Estimated Weight: 550#.