Used Yula Single Pass Shell & Tube Heat Exchanger, Approximately 196 Square Feet, Model WC-1E-96BS, Vertical. Carbon steel shell rated 200 psi at 40 to 400 degrees F. (125) 3/4” diameter x 96” long 304L stainless steel tubes rated 150 psi at 40 to 400 degrees F. 304L Tubesheet and heads. Openings for tubes 6", 8", openings for shell 3", 4". National Board# 12665, serial# 20276, built 2007.