Fulton Vertical Electric (FT-N) Thermal Fluid (hot oil) Heater - Manual (Page 42)

Fulton Thermal Corp.*Electric Thermal Fluid Heaters Manual* Version 2010-0423
Page 42
4. Exceeding the maximum operating temperature of the thermal fluid will
also result in thermal fluid breakdown. Fulton heaters are equipped with
a temperature limit switch (located on the front of the panel box) to
prevent this from occurring.