Induction sealers often get a bad rap. When products come off the assembly line exhibiting inconsistent seals, fingers far too often start pointing at the induction system as the culprit. But, would you believe that 99 of the time the induction sealer is not at fault realizing this fact is the first step to understanding the real cause of an inconsistent sealing situation&mdashand to finding a genuine solution. Heating things up first, it&rsquos important to note exactly what defines an induction sealer. An induction sealer is, in fact, an induction heater.