8 sq. ft. Rubicon Ind. horizontal heat exchanger. 4 1/2" diameter x 8' long T-304 stainless shell. 9" diameter T-316L stainless tube sheets. 9" diameter T-316L Stainless steel billet heads. (12) 5/8" x 16 GA T-316L stainless tubes. Shell side rated 150 PSI @ 20 to 300 degrees F. Tube side rated 50/FV @ 20 to 300 degrees F. Mounted on two T-304 stainless supports. National board #1071.