UNUSED Kenny Tank & Mfg. Ind. Approximately 2377 sq. ft. Shell and tube heat exchanger. 54" diameter X 96" long. Carbon steel shell rated 151 PSI @ 212 degrees F. T-316 Stainless steel tubes rated 220/FV @! -20 degrees F. NB# 6715. Tubes are 1" diameter X 16 GA. Built 1998.