It is opted only if heating is jacket type & the area is totally flameproof or direct electric band heaters are not permissible. Heating can be done by circulating hot oil through the jacket of the autoclave. The system comes with SS tank (15-45L capacity depending on autoclave volume) with electric heaters, level switch, pump, temperature controller with alarm system & 6ft SS braided flexible hoses with insulation. Heating bath can be placed at a distance. Standard system have max. bath temp. 250?C & autoclave temp. 225?C & suitable only upto 100L autoclaves. Oil bath for higher temp. upto 300?C can be quoted on request. Thermic oil for high temp. can also be supplied along with the bath.