Dean 2507 Fryer Auto Reset Hi-Limit Thermostat LC117 425°F Fixed Nickel Plated

A safety temperature control used in commercial fryers, this hi-limit thermostat helps prevent oil from overheating during operation. It is designed to shut off the heat at 425°F, helping protect the fryer from excessive temperatures. The thermostat features an auto-reset function that allows it to resume operation after cooling down. It also includes a sensing bulb and a 36-inch capillary tube that transmit temperature changes to the control mechanism. Commonly used in gas fryers, this component plays an important role in maintaining safe fryer operation and consistent cooking performance. If the thermostat fails, the fryer may overheat or struggle to maintain proper temperatures. Replacing a faulty thermostat helps restore temperature control and supports safe, reliable cooking in commercial kitchen environments.

Equipment Compatibility:
Commonly used in Dean Hi-Limit Thermostat applications for commercial gas fryers, including floor models and units with built-in filter systems used in busy kitchens. This Hi-Limit Thermostat 2507 is compatible with commercial equipment from leading brands such as Dean, Frymaster, Garland, Lang, Star Mfg, and more, where proper temperature control is needed to prevent overheating and keep fryers running safely.

Brand Compatibility:
This hi-limit thermostat replaces several commonly used part numbers across compatible fryer models and equipment from leading brands such as Dean, Frymaster, Garland, Lang, Star Mfg, and more. Full cross-reference details are available separately for correct identification.

Product Specifications:
Product Type: Hi-Limit Thermostat
Manufacturer: Dean
SKU: 2507
Temperature Rating: 425°F Fixed
Type: LC117 with Auto Reset
Bulb Size: 5/16" x 3-5/8"
Capillary Length: 36"
Material: Nickel Plated Components
Mounting: 1/4" Stuff Box, Bracket #7
Application: Commercial gas fryers

Key Features:

• The 425°F fixed temperature limit helps stop the fryer from overheating, keeping operation safe.
• The 36" capillary tube allows the sensor to reach inside the fryer and measure temperature accurately.
• The auto-reset feature lets the fryer resume operation after it cools down.
• The sensing bulb helps detect oil temperature changes so the system can respond appropriately.
• Designed for commercial fryers, helping maintain steady and controlled cooking temperatures.

“After replacement, fryer temperature stays controlled and overheating issues are no longer occurring during operation.”

Step1: Turn off gas and electrical power to the fryer before servicing.

Step2: Allow fryer to cool completely to avoid burns.

Step3: Remove burner access panel to reach the high-limit assembly.

Step4: Disconnect old thermostat wiring from terminals.

Step5: Remove faulty LC117 thermostat from mounting bracket.

Step6: Install new fixed hi-limit thermostat in correct position.

Step7: Reconnect wiring securely and ensure proper grounding.

Step8: Restore gas and power, then test fryer operation to confirm better automatic cutoff at over-temperature conditions.

• What maintenance is required for the Dean 2507 Auto Reset Hi-Limit Thermostat?

  Inspect thermostat probe regularly for grease buildup and corrosion. Clean gently to ensure accurate temperature sensing. Check electrical connections for tightness and signs of overheating. Always verify proper reset operate during routine fryer servicing.

• What are common issues with the Dean 2507 Fryer Auto Reset Hi-Limit Thermostat?

  • Fryer frequent tripping due to overheating or poor oil circulation.
  • Failure to reset automatically after temperature drop.
  • Faulty sensing from coated or damaged probe.
  • Loose wiring causing intermittent shutdowns.