Interesting. Question is do you have standing pilot or electronic ignition. With electronic it automatically goes into a melt when the tank is less than 180F where it fires for about 3 seconds and waits for 24 seconds before re-firing.
Most Dean’s are Frymasters lower end and simple machines. Mechanical temp controls. But they have built a lot of different controls for the DECATHLON series.
Not knowing if you are looking at 115V, 24volt, or millivolts puts me at a disadvantage. Where exactly are you measuring and what do you lose?