Unused 693 square foot Shell and Tube Heat Exchanger. Fabricated by Gaspar Inc. 26” diameter X 6’ 5” face to face length. Carbon steel shell rated 614 PSI @ -20 to 450 degrees F. (551) 3/4” SA179 carbon steel tubes rated 611 PSI @ -20 to 450 degrees F. 12” Process, 6” Service nozzles. National Board# 2829, S/N 37318-1. Built 2010.