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Vulcan Hart 00-410839-00004 Fryer 36" Thermopile 2 Lead 250°F-750°F MV

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Special Price $64.48 Regular Price $83.75
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SKU
00-410839-00004
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Fryer Parts, Deep Fryer Temperature Controls,
Manufacturer:
The Vulc‌an Ha​rt 00-410839-00004 36"​ Ther‌mopi​le 2 Lea‍d MV is a f‌lame-‌sensing electrical component used in commercial gas fryers to sup‌port ig‌niti‌on safety and burner operation. It is installed i​n t‌he⁠ fryer’s pilot assembly, where‌ it dete‍ct‍s heat from pilot flame and generates a low millivolt signal within its‍ operating range of 250‍°F to 750°F. This sig‍nal is transmitted through two⁠ lead‍s to the control system, which assists in regulating gas flow and confirming flame presence during operation. It is use⁠d‍ in re‍staurant frye‌r sy⁠s​t⁠ems as part of t⁠he safe‌ty circu⁠it to ma​intain s‌table h​eating performance‌.

Dimensions

  • Length: 3.5 In
  • Width: 2.5 In
  • Height: 1 In
  • Weight: 0.2 lbs
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Product Notes

  • 36" 2 Lead, Thermopile, 250-750 Mv, Robertshaw 1950-53B
  • Cecilware Fryer Fmp 30, 40B, 403, 65, Fms 30, 54
  • Cleveland Boiler Gas Steam Generators: W/O Probes (100,000
  • Btu - 2 Burners~
  • 150,000 - 3 Burners)~
  • W/3 Probes (160,000
  • Btu - 3 Burners~
  • 200,000 - 4 Burners
  • Groen Braising Pan Hfp/2. Series: Chfp, Nhfp.
  • Imperial Fryer Series: If, Ihr, Ir.
  • Keating Griddle Model 48Bfld
  • Southbend Fryer Gfs, 4Fr-45
  • Star Fryer 404A, 615Fa, 630Fa
  • Tri-Star Fryer Tsf-3540, Tsf-4050, Tsf-6575
  • Vulcan Fryer: Tk, Rs, Ghf (Old Hf) Gr, Grd, Grc,Grs,
  • Wells Grill, Gas
  • Wolf Fryer Wtf-35,

A thermopile designed to generate a millivolt signal from pilot flame heat in commercial gas cooking equipment, supporting ignition and safety control systems that rely on low-voltage output. This 36-inch, 2-lead assembly produces a 250–750 mV range and functions by converting thermal energy into electrical voltage, which is used to keep pilot-operated gas systems active during operation. This component is commonly used in gas-fired cooking equipment found in commercial kitchens such as restaurants, hotels, and institutional foodservice facilities. When the thermopile weakens or fails, pilot systems may not generate sufficient voltage to maintain gas flow, leading to ignition issues or shutdown conditions. Replacing the unit may restore proper signal output and support normal operation of gas-powered cooking equipment in daily service environments.

Equipment Compatibility:
Typical applications for this thermopile include commercial fryers, griddles, grills, and gas steam equipment used in foodservice operations. This Thermopile 00-410839-00004 is compatible with commercial equipment from leading brands such as Hobart, Vulcan Hart, Frymaster, Southbend, Imperial, Garland, and Keating, and more, where millivolt signal generation for gas ignition systems is required for normal operation.

Brand Compatibility:
Replaces multiple part numbers used across commercial cooking equipment from various brands including Hobart, Vulcan Hart, Frymaster, Southbend, Imperial, Garland, and Keating. Complete cross-reference details are provided separately in the “Replaces Parts” section.

Product Specifications:
Product Type: Thermopile
Manufacturer: Vulcan Hart
SKU: 00-410839-00004
Length: 36"
Lead Type: 2 Lead
Output Range: 250–750 mV
Application: Gas Pilot Signal Generation
Equipment Type: Commercial Cooking Equipment Component

Key Features:

  • Thermopile designed for pilot flame voltage generation in gas systems
  • Converts heat energy into millivolt electrical output
  • 250–750 mV output range supports safety valve operation
  • 36-inch length with 2-lead configuration for installation flexibility
  • Replacement use may restore pilot ignition and system function
  • Suitable for commercial cooking equipment applications

Technician Feedback:

“After installation, voltage output stabilized, and burner operation returned to normal.”

Replaces Parts
ADCRAFT:
AMERICAN RANGE:
A11102, AMRA11102
ATOSA:
BLOOMFIELD:
CLEVELAND:
20410, CLE20410
ENTR?E:
400043-1
GRINDMASTER:
IMPERIAL:
1096, IMP1096
JADE RANGE:
KEATING:
022770, 22567, 22770, 4186, KEA22567, KEA22770, KEA4186
MARKET FORGE:
SOUTHBEND:
STERO:
STA2T-42195, STA2T42195, STA42195
TRI-STAR:
300157, AS-300157, TRS300157
U-LINE:
1950-532, 1950-53B
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FAQS
Customer Questions
What maintenance is required for the Vulcan Hart 00-410839-00004 Thermopile?

Check for dirt, oil buildup, or corrosion on the thermopile. Clean gently and ensure secure wiring to the fryer control system. Disconnect power and gas before servicing. Proper maintenance ensures accurate flame detection and secure fryer operation.

What are the common issues with the Vulcan Hart 00-410839-00004 Thermopile?

  • Fryer burners fail to ignite consistently.
  • Flame detection weakens due to grease buildup.
  • Thermopile output voltage drops over time.
  • Loose wiring causes intermittent ignition.
  • Sensitivity decreases in high-temperature oil.
  • Delayed response to burner ignition signals.

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Installation Steps

Step1: Turn off gas and power to the fryer.

Step2: Remove the old thermopile from the gas valve assembly.

Step3: Install the new thermopile in the same orientation and position.

Step4: Secure connections to the gas valve terminals.

Step5: Check alignment with the pilot flame.

Step6: Restore power/gas and test operation safely.