Spare or replacement Stork Cooperheat Advantage3 temperature programmer / controller which, with its unique linkable control zone feature, is fast becoming the heat treatment industry standard. Providing the user with versatility, flexibility, cost savings and time. The Advantage 3 can be used individually or combined to control temperature differentials in a number of user selectable configurations. This control of temperature differential is an important requirement of international heat treatment codes and standards including ASME, BS, EN, ANSI & DIN.