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Vulcan Hart VH00-412788-00003 Thermocouple 24"L 20-30mV 1900 Series HD

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Special Price $25.98 Regular Price $33.75
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SKU
VH00-412788-00003
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Manufacturer:
The Vulcan Hart VH00-412788-00003 Thermocouple is a flame sensor that was used in the 1900 Series HD in commercial service equipment. It is 24" long and works by generating a 20-30 millivolt electrical signal when it is subjected to pilot flame heat. This signal makes the gas control valve operate correctly so that the fuel is supplied. The thermocouple is normally mounted next to the pilot assembly and is used in large-volume foodservice settings where there should be uniform operation. Its position in the system facilitates safety in operation, better ignition and better control of the burner in normal use.

Dimensions

  • Length: 4.25 In
  • Width: 1 In
  • Height: 1 In
  • Weight: 0.1 lbs
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Product Notes

  • 1900 Series Heavy Duty Thermocouple 24" Long. 20-30 Mv
  • Coaxial Thermocouple Threads = 11/32"-32
  • Anets
  • Fryer Where Applicable
  • Cecilware
  • Fryer Gf(8,16,28), Fm28
ANETS:
CECILWARE:
GRINDMASTER:
HOBART:
00-412788-00003, 00-412788-00020, 412788-00003, 412788-00020, 412788-20, 412788-3, HOB00-412788-00003, HOB412788-00003, HOB412788-3
SOUTHBEND:
STAR MFG:
STERO:
TOARH36
U-LINE:
1900-024
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FAQS
Customer Questions
What maintenance is required for the Vulcan Hart VH00-412788-00003 Thermocouple?

Regularly inspect the thermocouple for soot, grease, or corrosion that could interfere with accurate flame sensing and millivolt output. Keep the pilot assembly clean and ensure the thermocouple tip remains properly positioned in the pilot flame. Check connections for looseness or damage that may affect signal transmission.

What are the common issues with the Vulcan Hart VH00-412788-00003 Thermocouple?

  • Loss of millivolt output is causing pilot light failure.
  • Poor flame contact leading to intermittent gas valve shutdown.
  • Corrosion or loose terminal connections are disrupting signal flow.
  • Soot accumulation on the probe reduces flame detection accuracy.

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Installation Steps

Step1: Turn off gas and electrical supply, allow unit to cool, wear gloves, and access the control panel.

Step2: Remove old thermocouple from pilot assembly and note routing path carefully.

Step3: Install new thermocouple tip in pilot flame position and secure bracket firmly.

Step4: Route lead to safety valve and tighten connection securely.

Step5: Restore gas supply, ignite pilot, and check for leaks using soapy water.