Get current pricing for Oem, Waner Corp. 7866 Sq. 7866 Sq Ft (mfd By Waner) Horizontal Shell & Tube Heat Exchanger, Cs Shell Rated 75 Psi @ 650 Degrees F. (2044 Tube Holes) 3/4 Cs Tubes Rated 15 . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: