Capillary Type Thermostat is a Control & Limit
In a deep fryer a single or double capillary type thermostat may be used. The bulb portion of the capillary is made of Stainless steel or a plated copper and is immersed directly into the fluid being heated. One capillary may be used as a control switch turning the heating elements on and off at pre-set or adjustable temperature.
Many fryers use a second capillary switch as a limit to prevent the heating elements from a runaway condition causing the heated medium to overheat and burn. The capillary type thermostat can be a simple probe type with the diaphragm connected directly to the switch. Or it can be a bulb and capillary type so the contacts portion can be located a distance away from the immersed bulb.
Manual or Automatic Reset Capillary Switches
Capillary switches can be a manual reset requiring human intervention, or automatic. The better quality capillary type thermostats, such as ours, can be ambient temperature compensated. The less expensive ones are not.
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For more information about our capillary thermostats contact our direct support at 715-831-6353.