The S120, with its high quality Thermoglaze coating on all interior surfaces, 32 gallon storage capacity, and limited lifetime warranty, adapts readily to the Buderus Logamatic Control. It has a high capacity, low pressure drop heat exchanger for excellent recovery, standard Honeywell aquastat with adjustable differential included, and a magnesium anode rod for tank protection. The S120 has an easy top clean-out and inspection access opening and adjustable screw-in bolts for leveling of the tank.