Get current pricing for Mitternight Boiler Works, Mitternight Boiler Works-11514-ID Approx. 500 Sq.ft. Inconel 600 (high Nickel) Shell And Tube Heat Exchanger. (105) 3/4od X 24' Lgth. Tubes. Shell Is 14 Dia. Opening . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: