Temperature control module, manufactured by Budzar and others. Designed by Smith-Kline. Used to regulate the temperature in the jackets of the vessels. Each unit is a modular skid mounted system containing the following: Expansion vessel-90 Gallon 304 SS, manufactured by John Woods or others. Rated for FV/150 psi at 450 degrees F.NB & serial # 92547. Heat exchangers- Alfa Laval, copper brazed, with 100 sq.ft surface area. Jaggi Bern-70 Sq.Ft. 304/CS shell and tube heat exchanger. Sundyne Kontro, 100 GPM at 125 ft.hd.,316 SS, mag-drive, seal less horizontal centrifugal pump 1.5 x 3, driven by a 10 HP AC motor.